Spira-trol TM Two-port Control Valves EN Standard LE, LF and LL DN15 to DN100 and ASME Standard LEA, LFA and LLA ½" to 4"
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1 Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. Copyright 216 TI-S24-7 CH Issue 5 Spira-trol TM Two-port Control Valves EN Standard LE, LF and LL DN15 to DN1 and SME Standard LE, LF and LL ½" to 4" Description Spira-trol TM is a range of two-port single seat globe valves with cage retained seats conforming to EN and SME standard. These valves are available in three body materials in sizes ranging from DN15 to DN1 (½" to 4"). When used in conjunction with a pneumatic or electric linear actuator they provide characterized modulating or on / off control. LE valve with PTFE packing LE valve with Bellows seal Sizes and pipe connections Body material Connections Type Size range BSP LE31 DN15, DN2, DN25, DN32, DN4 and DN5 Screwed NPT LE31 ½", ¾", 1", 1¼", 1½" and 2" Cast iron EN 192 PN16, JIS / KS 1 LE33 DN15, DN2, DN25, DN32, DN4, DN5, DN65, DN8 and DN1 Flanged SME class 125 1", 1½", 2", 2½", 3" and 4" LE33 JIS / KS 1 ½", ¾", 1", 1¼", 1½", 2", 2½", 3" and 4" EN 192 PN16, JIS / KS 1 LE43 DN15, DN2, DN25, DN32, DN4, DN5, DN65, DN8 and DN1 Carbon steel Flanged SME class 15 ½", ¾", 1", 1½", 2", 2½", 3" and 4" LE43 JIS / KS 1 ½", ¾", 1", 1¼", 1½", 2", 2½", 3" and 4" EN 192 PN16, JIS / KS 1 LE63 DN15, DN2, DN25, DN32, DN4, DN5, DN65, DN8 and DN1 Stainless steel Flanged SME class 15 ½", ¾", 1", 1½", 2", 2½", 3" and 4" LE63 JIS / KS 1 ½", ¾", 1", 1¼", 1½", 2", 2½", 3" and 4" Page 1 of 18
2 Spira-trol valve characteristic - options: LE and LE Equal percentage (E) - Suitable for most modulating process control applications providing good control at all flowrates. LF and LF LL and LL Fast opening (F) - For on / off applications only. Linear (L) - Primarily for liquid flow control where the differential pressures across the valve is constant. Important note: Throughout this document, reference has been made to the standard LE or LE control valve. With the exception of trim type, the LE, LE, LF, LF, LL and LL control valves are identical. Spira-trol valve options: PTFE chevron seals Standard Stem sealing Seating Bellows / graphite secondary seals (D) Graphite packing Metal-to-metal Soft seating Hard facing Zero emissions and high temperature applications High temperature applications 431 stainless steel - standard 316L stainless steel Up to 2 C (392 F) - PTFE for Class VI shut-off Up to 25 C (482 F) - PEEK for Class VI shut-off 316L stainless steel with Stellite 6 facing - for more arduous applications Bonnet type Trim Standard bonnet Extended bonnet for large pipe lagging or hot / cold applications Standard trim Low noise and anti-cavitation trim (see TI-S24-59) Spira-trol valves are compatible with the following actuators and positioners: Electric EL35, EL72, EL5 and EL6 series Pneumatic PN1, PN9 and PN2 series PP5 (pneumatic) or EP5 (electropneumatic) Positioners ISP5 (intrinsically safe electropneumatic) SP2is, SP4 and SP5 (microprocessor based electropneumatic) SP3 (digital communications) Refer to the relevant Technical Information sheet for further details. Standards Designed in accordance with EN This product fully complies with the requirements of the European Pressure Equipment Directive 97 / 23 / EC and carries the mark when so required. Certification This product is available with certification to EN Note: ll certification / inspection requirements must be stated at the time of order placement. Page 2 of 18
3 Technical data Plug design Parabolic Leakage Metal-to-metal Soft seal Balanced and Unbalanced Unbalanced Balanced Unbalanced Class IV (optional) Class V Class IV Class VI Equal 5:1 Rangeability Travel Linear 3:1 Fast 1:1 DN15 - DN5 (½" - 2") 2 mm (¾") DN65 - DN1 (2½" - 4") 3 mm (1 ") Typical flow characteristic s 1 Fast opening Flow % 5 Linear Equal percentage 5 1 Valve opening % Page 3 of 18
4 Materials Body material No. Part Type Material LE31 and LE33 SG iron EN 1563 : EN-GJS Body LE31 and LE33 Cast iron STM 126B Cast iron Carbon steel Stainless steel ll versions 2 Bonnet 2a 1 Body Bonnet extension 2 Bonnet 2a 1 Body * Graphite packing High temperature packing Bonnet extension 2 Bonnet DN15 - DN5 (½" - 2") DN65 - DN1 (2½" - 4") DN15 - DN5 (½" - 2") DN65 - DN1 (2½" - 4") LE31 and LE33 SG iron EN 1563 : EN-GJS-4-18 LE31 and LE33 Ductile iron STM 395 LE31 and LE33 Cast iron EN 1561 : EN-GJL-25 LE31 and LE33 Ductile iron STM 395 LE31 and LE33 EN 1213 GP24GH+N (1.619N) Carbon steel LE31 and LE33 STM 216 WCB or 15N LE43 Carbon steel EN 1213 GP24GH+N (1.619N) LE43 Cast steel STM 216 WCB LE43 Carbon steel EN 1273 P25GH (1.46) LE43 Carbon steel STM 15N LE43 Steel EN1213 GP24GH+N (1.619N) LE43 Cast steel STM 216 WCB LE43 and LE43 EN 1213 GP24GH+N (1.619N) Carbon steel STM 216 WCB or 15N LE63 EN Stainless steel LE63 STM 351 CF8M LE63 EN Stainless steel LE63 STM 351 CF8M 2a Bonnet extension LE63 and LE63 Stainless steel 2b Bellows ll versions Stainless steel 2c Extended bonnet LE63 and LE63 Stainless steel 351 CF8M and EN ll others Carbon steel 216 WCB and EN N 3 Stem lock-nut ll versions Stainless steel 4 Bonnet gasket ll versions Reinforced exfoliated graphite 5 Seat retainer ll versions Stainless steel 6 Valve seat ring ll versions Stainless steel, except FULL PEEK soft seat 7 Seat gasket ll versions Reinforced exfoliated graphite 8 Valve plug and stem ll versions Stainless steel 9 * Lower stem guide ll versions Glass filled PTFE, except Nitronic bush option 1 * Lower stem wiper ll versions PTFE 11 * Packing guard washer ll versions Stainless steel 12 * Spring ll versions Stainless steel 13 Packing spacer ll versions Stainless steel 14 * Chevron packing set ll versions PTFE 15 * Outer 'O' ring ll versions Viton 16 * Upper stem guide ll versions Glass filled PTFE, except Nitronic bush option 17 * Inner 'O' ring ll versions Viton 18 Gland nut ll versions Stainless steel 19 Scraper ring ll versions PTFE 2 ctuator clamp nut ll versions Plated carbon steel 21 Bellows assembly ll versions Stainless steel 22 Bonnet extension gasket ll versions Reinforced exfoliated graphite 23 Top plate (bonnet extension only) ll versions Stainless steel 24 Lower spindle bearing housing ll versions Stainless steel 25 Lower spindle bearing ll versions Stainless steel 26 Spindle lock and anti-rotation nut ll versions Stainless steel 27 Bonnets nuts LE63 Stainless steel STM 194 Gr. 8M ll others Steel STM 194 Gr. 2H Set screws LE63 Stainless steel 2-7 ll others Steel Standard bonnet studs LE63 Stainless steel STM 193 Gr. B8 M2 ll others Steel STM 193 Gr. B Lower and upper stem guide ll versions Stellite 6 14 Grafoil packing ll versions Graphite rings 1, 11, 12, 15, 17, 19 Not used Page 4 of 18
5 Bonnet with graphite packing LE valve with PTFE packing 14 LE valve with extended bonnet (E) 2a 2b 2c Extended bonnet (E) 22 LE valve with bellows seal (D) Page 5 of 18
6 Kv values Valve size Standard trim Microflute Full port trim 1 trim 2 trim 3 trim 4 trim 5 DN15 (½") DN2 (¾") DN25 (1") DN32 (1¼") DN4 (1½") DN5 (2") DN65 (2½") DN8 (3") Equal % Linear Fast opening Equal % Linear Equal % Linear Equal % Linear Equal % Linear Equal % Linear DN1 (4") Notes: - Special Kv on request - For low noise and anticavitation Kv please see TI-S24-59 Cv (US) values Cv (US) = Cv (UK) x 1.29 Valve size Standard trim Microflute Full port trim 1 trim 2 trim 3 trim 4 trim 5 DN15 (½") DN2 (¾") DN25 (1") DN32 (1¼") DN4 (1½") DN5 (2") DN65 (2½") DN8 (3") DN1 (4") Equal % Linear Fast opening Equal % Linear Equal % Linear Equal % Linear Equal % Linear Equal % Linear Notes: - Special Cv on request - For low noise and anticavitation Cv please see TI-S24-59 Page 6 of 18
7 Pressure / temperature limits - LE31 and LE33 cast iron valve body Screwed BSP Flanged EN 192 PN Note: When the process fluid temperature is sub-zero and the ambient temperature is below +5 C, the external moving parts of the valve and actuator must be heat traced to maintain normal operation. Flanged JIS / KS 1 The product must not be used in this region. High temperature graphite packing is required for use in this region. Note: Soft seated valves cannot be used in this region. PTFE soft seated valves are limited to a maximum operating temperature of 2 C. Body design conditions PN16 Maximum design pressure 16 bar 12 C Maximum design temperature bar g Minimum design temperature -1 C Standard packing PTFE chevron - Option P or N 25 C PTFE soft seat - Option G 2 C Maximum operating temperature See the Spira-trol TM selection guide on page 18 for the full list of available options PEEK soft seat - Option K or P 25 C Graphite packing - Option H 3 C Extended bonnet with PTFE chevron - Option E 25 C Extended bonnet with graphite packing - Option E 3 C Bellows - Option D 3 C Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco -1 C Maximum differential pressures See relevant actuator Technical Information sheet. Maximum cold hydraulic test pressure of: 24 bar g Page 7 of 18
8 Pressure / temperature limits - LE43 carbon steel valve body Flanged EN 192 PN Please note - Bellows sealed valves (Option D) are limited to -. Note: When the process fluid temperature is sub-zero and the ambient temperature is below +5 C, the external moving parts of the valve and actuator must be heat traced to maintain normal operation. Flanged JIS / KS The product must not be used in this region. High temperature graphite packing is required for use in this region. Note: Soft seated valves cannot be used in this region. PTFE soft seated valves are limited to a maximum operating temperature of 2 C. Body design conditions PN16 Maximum design pressure 16 bar 5 C Maximum design temperature bar g Minimum design temperature -1 C Standard packing PTFE chevron - Option P or N 25 C PTFE soft seat - Option G 2 C Maximum operating temperature See the Spira-trol TM selection guide on page 18 for the full list of available options PEEK soft seat - Option K or P 25 C Graphite packing - Option H 4 C Extended bonnet with PTFE chevron - Option E 25 C Extended bonnet with graphite packing - Option E 4 C Bellows ( - on the LE43 chart) - Option D 3 C Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco -1 C Maximum differential pressures See relevant actuator Technical Information sheet. Maximum cold hydraulic test pressure of: 24 bar g For valve operating above 3 C extended bonnet is recommended for actuator suitability. Page 8 of 18
9 Pressure / temperature limits - LE63 stainless steel valve body Flanged EN 192 PN PTFE -28 Graphite Please note - Bellows sealed valves (Option D) are limited to -. Note: When the process fluid temperature is sub-zero and the ambient temperature is below +5 C, the external moving parts of the valve and actuator must be heat traced to maintain normal operation. Flanged JIS / KS The product must not be used in this region. High temperature graphite packing is required for use in this region. Note: Soft seated valves cannot be used in this region. PTFE soft seated valves are limited to a maximum operating temperature of 2 C. Body design conditions PN16 Maximum design pressure 16 bar 5 C Maximum design temperature bar g Minimum design temperature -5 C Standard packing PTFE chevron - Option P or N 25 C PTFE soft seat - Option G 2 C Maximum operating temperature See the Spira-trol TM selection guide on page 18 for the full list of available options PEEK soft seat - Option K or P 25 C Graphite packing - Option H 4 C Extended bonnet with PTFE chevron - Option E 25 C Extended bonnet with graphite packing - Option E 4 C Bellows ( - on the LE63 chart) - Option D 3 C Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco PTFE packing -28 C Graphite packing -5 C Maximum differential pressures See relevant actuator Technical Information sheet. Maximum cold hydraulic test pressure of: 24 bar g For valve operating above 3 C extended bonnet is recommended for actuator suitability. Page 9 of 18
10 Pressure/temperature limits - LE31 and LE33 cast iron valve body Screwed NPT Flanged SME class 125 Pressure psi g Temperature F Note: When the process fluid temperature is sub-zero and the ambient temperature is below +5 C (41 F), the external moving parts of the valve and actuator must be heat traced to maintain normal operation. Pressure psi g Flanged JIS / KS 1 Temperature F The product must not be used in this region. PTFE soft seated valves are limited to a maximum operating temperature of 2 C. Body design conditions SME 125 Maximum design pressure 13.7 bar 65 C (2 psi 15 F) Maximum design temperature bar g ( psi g) Minimum design temperature -28 C (-2 F) Standard packing PTFE chevron - Option P or N 232 C (45 F) PTFE soft seat - Option G 2 C (392 F) Maximum operating temperature See the Spira-trol TM selection guide on page 18 for the full list of available options PEEK soft seat - Option K or P 232 C (45 F) Graphite packing - Option H 232 C (45 F) Extended bonnet with PTFE chevron - Option E 232 C (45 F) Extended bonnet with graphite packing - Option E 232 C (45 F) Bellows - Option D 232 C (45 F) Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco -29 C (-2 F) Maximum differential pressures See relevant actuator Technical Information sheet. Maximum cold hydraulic test pressure of: 21 bar g (3 psi g) Page 1 of 18
11 Pressure/temperature limits - LE43 carbon steel valve body Flanged SME class 15 Pressure psi g Temperature F Please note - Bellows sealed valves (Option D) are limited to -. Note: When the process fluid temperature is sub-zero and the ambient temperature is below +5 C (41 F), the external moving parts of the valve and actuator must be heat traced to maintain normal operation. Flanged JIS / KS 1 Pressure psi g Temperature F The product must not be used in this region. High temperature graphite packing is required for use in this region. Note: Soft seated valves cannot be used in this region. PTFE soft seated valves are limited to a maximum operating temperature of 2 C (482 F). Body design conditions SME 15 Maximum design pressure 19.6 bar 38 C (285 psi 1 F) Maximum design temperature bar g (8 8 psi g) Minimum design temperature -29 C (-2 F) Standard packing PTFE chevron - Option P or N 25 C (482 F) PTFE soft seat - Option G 2 C (392 F) Maximum operating temperature See the Spira-trol TM selection guide on page 18 for the full list of available options PEEK soft seat - Option K or P 25 C (482 F) Graphite packing - Option H 425 C (8 F) Extended bonnet with PTFE chevron - Option E 25 C (482 F) Extended bonnet with graphite packing - Option E 425 C (8 F) Bellows ( - on the LE43 chart) - Option D 3 C (572 F) Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco -28 C (-2 F) Maximum differential pressures See relevant actuator Technical Information sheet. Maximum cold hydraulic test pressure of: 29.5 bar g (428 psi g) For valve operating above 572 F (3 C) extended bonnet is recommended for actuator suitability. Page 11 of 18
12 Pressure/temperature limits - LE63 stainless steel valve body Flanged SME class 15 PTFE -29 Graphite -5 Pressure psi g Temperature F Please note - Bellows sealed valves (Option D) are limited to -. Note: When the process fluid temperature is sub-zero and the ambient temperature is below +5 C (41 F), the external moving parts of the valve and actuator must be heat traced to maintain normal operation. Flanged JIS / KS 1 Pressure psi g Temperature F The product must not be used in this region. High temperature graphite packing is required for use in this region. Note: Soft seated valves cannot be used in this region. PTFE soft seated valves are limited to a maximum operating temperature of 2 C (482 F). Body design conditions SME 15 Maximum design pressure 19.6 bar 38 C (275 psi 1 F) Maximum design temperature bar g (1 2 psi g) Minimum design temperature -5 C (-58 F) Standard packing PTFE chevron - Option P or N 25 C (482 F) PTFE soft seat - Option G 2 C (392 F) Maximum operating temperature See the Spira-trol TM selection guide on page 18 for the full list of available options PEEK soft seat - Option K or P 25 C (482 F) Graphite packing - Option H 538 C (1 F) Extended bonnet with PTFE chevron - Option E 25 C (482 F) Extended bonnet with graphite packing - Option E 538 C (1 F) Bellows ( - on the LE63 chart) - Option D 3 C (572 F) Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco PTFE packing -28 C (-2 F) Graphite packing -5 C (-58 F) Maximum differential pressures See relevant actuator Technical Information sheet. Maximum cold hydraulic test pressure of: 28.4 bar g (413 psi g) For valve operating above 572 F (3 C) extended bonnet is recommended for actuator suitability. Page 12 of 18
13 Dimensions for the Spira-trol TM two-port control valve approximate in mm and (inches) Valve size Screwed Flanged BSP NPT LE valves LE valves B C B C 1 C1 1 C1 D E F PN16 JIS / KS 1 Thread Bellows LE33 LE43 seals LE63 Extended bonnet DN15 (½") (6½") 44 (1¾") 12 (4") (7¼") 12 (4") 237 (9") 336 (13.25") DN2 (¾") (6½") 44 (1¾") 12 (4") (7¼") 12 (4") 237 (9") 336 (13.25") DN25 (1") DN32 (1¼") (7¾") 216 (8½") 57 (2¼") 57 (2¼") 12 (4") 127 (5") (7¼") 222 (8¾") 12 (4") 127 (5") 69 (2¾") M8 237 (9") 267 (1½") 336 (13.25") 354 (13.94") DN4 (1½") (9¼") 63 (2½") 127 (5") (8¾") 127 (5") 267 (1½") 354 (13.94") DN5 (2") (1½") 76 (3") 127 (5") (1") 127 (5") 267 (1½") 354 (13.94") DN65 (2½") (1½") 2 (7 ") 368 (14½") 416 (16.38") DN8 (3") (11¾") 2 (7 ") 81 (3") M (14½") 416 (16.38") DN1 (4") (13¾") 216 (8½") 381 (15") 431 (17") E D E E D D F C C1 B Screwed version 1 Flanged version Bellows sealed or extended bonnet version Page 13 of 18
14 Weights for the Spira-trol TM two-port control valve approximate in kgs (and lbs) Valve size LE31 LE33 LE43 LE63 LE31 LE33 LE43 LE63 dditional bellows and Extended bonnet DN15 (½ ) (16) 7.3 (16) 7.3 (16) 7.3 (16) DN2 (¾ ) (16) 8.2 (18) 8.2 (18) 8.2 (18) 4.5 (1) DN25 (1 ) (22) 13.6 (3) 13.6 (3) 13.6 (3) DN32 (1¼ ) (25) 13.2 (29) 14.1 (31) 14.1 (31) DN4 (1½ ) (31) 14.1 (31) 16.3 (36) 16.3 (36) 5.5 (12) DN5 (2 ) (33) 17.2 (38) 17.2 (38) 17.2 (38) DN65 (2½ ) DN8 (3 ) (84) 41 (91) 35 (78) 4 (89) 35 (78) 4 (89) 1. (21) DN1 (4 ) (132) 56 (124) 56 (124) 13. (28) Page 14 of 18
15 Dimensions / weights for the PN actuator range approximate in mm and kgs (inches and lbs) ctuator range F G H J Weight With ctuator handwheel mm inches mm inches mm inches mm inches kg lbs kg lbs PN15 and PN " " PN16 and PN " " PN91E and variants 55 2 " ⅞" 17 6a" 225 8⅞" PN91R and variants 14 5½" PN92E and variants 55 2 " ⅞" 3 11⅞" 225 8⅞" PN92R and variants 14 5½" PN932E and variants 65 2 " ⅞" " 35 13¾" PN932R and variants 15 15⅞" PN933E and variants 65 2 " ⅜" " 35 13¾" PN933R and variants 15 15⅞" F J H ctuator G Dimensions / weights for the EL and EL actuator ranges approximate in mm and kgs (inches and lbs) ctuator range F G Weight mm inches mm inches kg lbs EL x 161 5¼" x 6¼" 242 9½" EL35 SE and SR 135 x 161 5¼" x 6¼" " EL72 series 1 4" ½" EL55 and EL " " EL51, EL52, EL53, EL62 and EL " " EL54 and EL " 49 19" EL56 and EL " 76 3" Page 15 of 18
16 Spare parts Spira-trol TM - L series The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares. Note: When placing an order for spare parts please specify clearly the full product description as found on the label of the valve body, as this will ensure that the correct spare parts are supplied. vailable spares C1 C2 C ctuator clamping nut Gasket set (Non-bellows sealed) B, G Stem seal kits PTFE chevrons PTFE to Graphite conversion kit Graphite packing C C1 C2 Plug stem and seat kit (No gaskets supplied) PTFE or PEEK soft seat seal Stem packing and gasket Soft seat set D, E H B, G, C1 B, G, C B, G, C2 H1 D Specify if reduced trim. How to order spares lways order spares by using the description given in the column headed 'vailable spares', and state the size and type of valve including the full product description of the product. Example: 1 - PTFE stem seal kit for a Spirax Sarco Spira-trol TM DN25 LE43PTSUSS.2 Kvs 1 two-port control valve. How to fit spares Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare. H1 Soft seat arrangement H B E G Page 16 of 18
17 Spare parts Spira-trol TM - L series with bellows seal The spare parts available are shown in solid outline. Parts drawn in grey line are not supplied as spares. Note: When placing an order for spare parts please specify clearly the full product description as found on the label of the valve body, as this will ensure that the correct spare parts are supplied. C vailable spares ctuator clamping nut Gasket set (Non-bellows sealed) B, G Stem seal kit Graphite packing and gasket set C2 Plug stem and seat kit (No gaskets supplied) Bellows seal assembly PTFE or PEEK soft seat seal Soft seat set D, E F H H1 Specify if reduced trim. How to order spares lways order spares by using the description given in the column headed 'vailable spares', and state the size and type of valve including the full product description of the product. Example: 1 - Plug stem and seat kit for a Spirax Sarco Spira-trol TM DN25 LE43PTSUSS.2 K vs 1 two-port control valve. How to fit spares Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare. F Soft seat arrangement D3 B H E G Page 17 of 18
18 Spira-trol TM selection guide: Valve size EN standard = DN15, DN2, DN25, DN32, DN4, DN5, DN65, DN8 and DN1 SME standard = ½", ¾", 1", 1¼", 1½", 2", 2½", 3" and 4" DN25 Valve series L = L series 2-port control valve L E = Equal percentage Valve characteristic F = Fast opening L = Linear E = SME Flange type Blank = EN (PN) Blank Blank = under Flow T = over Blank 3 = Cast iron Connections 4 = Carbon steel 6 = Stainless steel 4 1 = Screwed Connections 3 = Flanged 3 P = PTFE Stem sealing H = Graphite N = PTFE / Nitronic bush (DN15 to DN5 only) D = Bellows P T = 431 stainless steel Seating G = PTFE soft seat S = 316L stainless steel W = 316L with stellite 6 facing P = Full PEEK K = PEEK soft seat T S = Standard trim Type of trim 1 = 1 stage anticavitation 2 = 2 stage anticavitation P1 = 1 stage low noise cage P2 = 2 stage low noise cage P3 = 3 stage low noise cage S U = Unbalanced Trim balancing B = Balanced (only available LE series) U S = Standard Bonnet type E = Extended S S = Standard bolting Bolting H = High temperature (only available LE series) S Blank = Standard finish Finish N = Nickel plated Blank Series 2 =.2.2 Kvs To be specified Kvs 1 Connection type To be specified Flanged PN16 Selection example: DN25 - L E 4 3 P T S U S S.2 - Kvs 1 - Flanged PN16 How to order Example: 1 off Spirax Sarco Spira-trol TM DN25 LE43PTSUSS.2 K vs 1 two-port control valve having flanged PN16 connections. Page 18 of 18
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