TECHNICAL BULLETIN. Valtek Torex TX Control and Shut-off Valves Butterfly Valves. Experience In Motion VLENTB
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1 Valtek Torex TX Control and Shutoff Valves Butterfly Valves VLENTB TECHNICAL BULLETIN Experience In Motion
2 Primary characteristics Valtek Torex TX, HighPerformance butterfly valve is available with either metaltometal or PTFE seat. Due to its unique design triple offset, it closes extremely tight. It can be used both as a control valve and as a shutoff valve.this valve can be supplied in either wafer or lugged versions. The valve is available as standard in stainless steel and carbon steel. Contact Flowserve for more information. The valve has: been designed according to the requirements in API 609. triple offset design enables the valve closure to be extremely tight small offset results in low operating torque in all control positions, so that lowtorque actuators can be used. a special disc profile (segment of a toroid) a principle which eliminates abrasive sliding action when the disc is opening and closing ensures a longer service life. a high mean value of seating angle, so that the disc closes without tending to stick in the closed position, virtually eliminates any disk popping when opening the valve. metaloplast bearings. For temperature above 482 F (250 C) hard chromium stem, direct mounted in the body a onepiece valve body of stainless steel. a metallic or PTFE seat ring. the Flowserve NAF standard for mounting the actuator, which simplifies installation and results in a compact valve/actuator unit. CEmarked According to Pressure Equipment Directive (PED 97/23/EG) module H, category III. For module H1, category IV contact NAF Applications Valtek Torex TX can be used both as a control valve and as a shutoff valve, in a wide variety of applications and in different operating modes. The valve represents a concrete result of our product philosophy which is focused on functionality, high quality and low life cycle costs, and is based on concentrating our range to a limited number of valve types, but all of them suitable for a wide variety of applications. The excellent characteristics of Torex TX are particularly beneficial in arduous control applications, in which difficult media and demanding pressure conditions make severe demands on the design, materials and performance. Specifications Material: Stainless steel, carbon steel Size range: DN 80700, 328 Pressure ratings: PN ANSI Class 150 Max. differential pressure at 95 F (35 C): Valve closed DN psi (25.0 bar) At 70 open valve DN psi (8.0 bar) DN psi (13 bar) (Limitation depending DN psi (11 bar) of high velocity with DN psi (6.5 bar) big dynamic torque DN psi (4.5 bar) at this differential DN psi (3.0 bar) pressure when valve DN psi (2.7 bar) is open 70 ) DN psi (1.8 bar) DN psi (2.0 bar) DN psi (1.9 bar) DN 600, psi (1.8 bar) See also page 3 Facetoface lengths: Installation method: Wafer type PN 1025 and ANSI Class 150: API standard 609 Class 150, size 28 EN 558, table 5, serie 20 Lug type ANSI Class 150: API standard 609 Class 150, size 28 EN 558, table 5, serie 20 Wafer type and Lug type body Temperature range: CF8M/ F ( C) WCB/ F ( C) (see product code) Test pressure: Sealing class: Painting of carbon steel valves: 1.5 x PN with valve open 1.1 x Max. differential pressure with valve closed. PTFE seats: API 598 Metal seats: FCI 702, Class V, Test procedure type B. Onecomponent primer and finishing coat. 2
3 Flow capacities and characteristics (Table 1) K v = C v /1,16 DN C v at an opening angle of Max. differential pressure Max. differential pressure with valve closed and a temperature up to 95 F (35 C) is for all sizes 362 psi (25 bar). At temperatures above 95 F (35 C) the maximum differential pressure shall be multiplied with a factor a according to the graph below. At 70 open valve is the maximum differential pressure at 95 F (35 C) limited according to Technical specification on page 2. The same reduction of these differential pressure at temperatures above 95 F (35 C) as for the valve closed is valid. (See the graph below). 1,00 0,95 0,90 0,85 0,80 0,75 0,70 0,65 Factor a C 3
4 Table 2: Operating torque, ftlb (Nm) DN Differential pressure, psi (bar) 145 (10) 232 (16) 290 (20) (25) 37 (50) (95) 103 (140) 221 (300) 369 (500) 553 (750) 811 (1100) 1180 (1600) 2065 (2800) 3393 (4600) 5576 (7560) 44 (60) 63 (85) (170) (600) 723 (980) 1032 (1400) 1475 (2000) 2581 (3500) 4278 (5800) 7080 (9600) 49 (67) (136) (400) 531 (720) 811 (1100) 1195 (1620) 1748 (2370) 3016 (4090) 4941 (6700) 8091 (10970) (110) (230) 347 (470) 627 (850) 922 (1250) 1400 (1900) 1991 (2700) 3466 (4700) 5679 (7700) 9293 (12600) Operating torque The above table specifies the torque necessary for closing the valve to the specified tightness. To achieve the specified tightness, the minimum design torque is corresponding to a differential pressure of 135 psi (10 bar). At flow through the valve the disc is being affected by dynamic torque which tries to close the valve. At liquid flow and high velocities this may be decisive for selection of actuator size. In general, for this valve, it is valid that water velocities below 26 f/s (8 m/s) in the pipe line at fully open valve do not give a dynamic torque higher than the closing torques according to the above table. This means that it is utmost rare that the dynamic torque is decisive for the actuator selection. In doubts, consult Flowserve concerning the torque required for actuator selection. Sizing of control valves We have a valve sizing tool named Performance! This program can be ordered through your Flowserve representative. Table 3: Materials Item Qty Part Material Remark 1a 1 Body EN /CF8M 1b 1 Body EN Carbon steel version 2 1 Disc EN /CF8M 4a 1 Stem, upper EN b 1 Stem, upper EN NACEversion 5a 1 Stem, lower EN b 1 Stem. lower EN NACEversion 6 1 Clamp ring DN >250 EN /CF8M DN <=250 EN /AISI Retaining EN Gasket Graphite 9 1 Gasket Graphite 10 1 Seat ring Inconel Seat ring PTFE carbon reinforced 15 1) 1 Clamp ring DN >250 EN /CF8M DN <=250 EN /AISI316 PTFEversion 18 1 Oring FPM 20 1 Backing ring PTFE 21 1 Box packing set Graphite 22 Cup spring 177PH For SafeGuard version 23 1 Gland cover EN /CF8M 24 1 Boxpacking set Vring PTFE virgin/ PTFE 25 % C 26 1 Stem bearing Metaloplast 27 1 Stem bearing Metaloplast 28 2 Pin screw A Nut A4 31 2) Screw A4 33a 3 Pin DN<=500 EN DN>500 EN b 3 Pin DN<=500 EN DN>500 EN NACEversion 36 2 Key Stainless steel 37 1 Washer Metaloplast 38 2 Retaining plate DN<=200 EN DN>200 EN ) Clamp ring item 15 must be included if the valve is to be converted from some other type of seat to a PTFE seat ring. 2) Quantity depending on dimension. *) Recommended spare parts. Other material combinations are available to order consult Flowserve. 4
5 Seat type A (PTFE) 07, 17 Seat type B (Inconel) a 1b a 4b a 33b 5a b
6 Dimensions and weights Dimensions for stem and keyway, see Fk Wafer type Ø D Lug type G F H T E 6 Table 4 DN R T Qty DN R T Qty / (152) (362) 7/ ( / (190.5) (432) 7/ / (216) (476) / (241) 1 16 Valve stem / (289.5) (635) 1 1/8 20 Actuator mounting Table 5: PN 1025, ANSI Class 150 Wafer type and Lug type DN A B D E F G H K L Wafer Lug M N P S Weight, lb (kg) Wafer Lug , (83) (132) 100 (160) (117) (190) (143) (215) (194) (270) (242) (325) (292) (375) (326) (435) (372) (485) (472) (590) (566) (690) (670) (802) Dimensions in inch (mm) (20) 0.98 (25) 0.98 (25) 0.98 (25) (35) 1.97 (50) 2.36 (60) (157) 6.89 (175) 7.48 (190) 8.07 (205) 9.57 (243) (276) (315) 1 (354) (394) (459) (541) (584) (43) 1.97 (50) 1.97 (50) 1.97 (50) 2.23 (59) 2.56 (65) 3.66 (93) 4.37 (111) 5.16 (131) 5.87 (149) (305) (348) (369) (396) 2 (548) 24,96 (634) (698) (783) (952) (1146) (1288) (0.96) 26 (1.02) 28 (1.10) 28 (1.10) 31 (1.22) 33 (1.30) 36 (1.42) 33 (1.30) 43 (1.69) 55 (2.16) 63 () 74,5 (2.93) (49) 2.09 (53) 2.20 (56) 2.20 (56) 2.44 (62) 3.62 (92) 4.01 (102) 5.00 (127) 6.06 (154) 6.50 (165) (49) 2.12 (54) 2.24 (57) 2.52 (64) 2.79 (71) 3.19 (81) 3.62 (92) 4.01 (102) 5.00 (127) 6.06 (154) (160) 6.30 (160) 8.42 (214) 8.42 (214) 8.42 (214) 8.42 (214) (277) (277) (60) 2.36 (60) 2.36 (60) 2.36 (60) (14) 0.55 (14) 0.71 (18) 0.71 (18) 0.71 (18) 0.71 (18) 1.30 (33) 1.30 (33) Ø A Ø B Ø R Ø S (182) 8.78 (223) (281) (339) (412) (480) (526) (592) (687) (830) (5) 15.4 (7) 19.8 (9) (20) 63.8 (29) 96.8 (44) (94) (140) (281) (420) (7) 26.4 (12) 41.8 (19) 72.6 (33) (46) (72) (101) (140) (210) (400)
7 Actuators Valtek Torex TX is available with hand levers or with pneumatic or electric actuators and accessories. Use the following tables for selecting the hand levers and standard pneumatic actuators. If other pneumatic or electric actuators are required, consult your Flowserve representative. Table 7: Torex TX with hand levers Valve size DN Max dp psi (bar) Hand lever as per Fk NAF No (25) (25) (20) 3) Worm gear actuator as per Fk ) (25) (25) (25) (25) (25) (25) (25) (25) (16) (25) (19) (25) (19) (25) (25) ) Wafer type PN 1025, ANSI Class 150 2) Available with locking device. Contact Flowserve. 3) Metal seat only (PTFE choose gear) Dimensions, inch (mm) A B D E G (500) (500) (500) (500) 9.80 (249) 9.80 (249) 9.80 (249) 9.80 (249) (328) (328) (416) (416) (416) (507) (507) 591 (19.96) (591) (697) (697) 350 () 6.85 (174) 6.85 (17) 6.85 (174) 6.85 (174) 9.57 (243) 9.57 (243) (291) (291) (291) (337) (337) 421 (16.57) (421) (487) 487 ( () () Dimensions in inch (mm) 7.75 (197) 215 (8.46) 9.05 (230) 9.64 (245) 7.52 (191) 8.23 (209) 8.82 (224) (286) 12,56 (319) (365) 1 (404) (459) (449) 514 (20.24) (514) (621) (630) 2 (658) 418 (16.46) (439) (466) (396) (432) (453) (480) 2 (608) (676) (804) (868) (955) (995) 1146 (45.12) 4 (1096) (1295) 1404 (55.27) (1513) Weight lb (kg) 1) 15.4 (7) 9 (19.8) (13) 19.8 (9) 11 (24.2) 28.6 (13) 33.0 (15) 63.8 (29) 83.6 (38) (61) (111) (126) 172 (378.4) (178) (319) 348 (765.6) (487) 7
8 8 Table 8: Valtek Torex TX valves with pneumatic actuators Valve size Max dp bar (psi) at supply of 58 psi 72.5 psi 87 psi NAF No. DN (4 bar) (5 bar) (6 bar) Doubleacting as per Fk (25) (25) (25) (12) (18) (25) (25) (25) (25) (18) (25) (25) (25) (13) (20) (25) (25) (25) (25) (12) (18) (25) (25) (25) (25) (17) (22) (25) (25) (25) (25) (10) (16) (20) (25) (25) (14) (20) (25) (25) (25) (10) (16) (23) (25) (25) (25) (25) (12) (20) (25) (25) (12) (16) (25) (25) (25) (17) (24) (25) (25) (25) 5280 Singleacting, spring to close as per Fk (25) (25) (25) (14) (14) (14) (25) (25) (25) (25) (25) (25) (25) (25) (25) (15) (15) (15) (25) (25) (25) (25) (25) (25) (17) (17) (17) (25) (25) (25) (25) (25) (25) (18) (18) (18) (25) (25) (25) (25) (25) (25) (25) (25) (25) (12) (12) (12) ) Including valve positioner 2) Wafer type PN 1025, ANSI Class 150 The below stated dp apply for clean media type water. For other media contact Flowserve, see also page 4 Dimensions, inch (mm) Weight A B C D E F G 1) H R lb (kg) 2) (370) (370) (490) (370) (490) (490) (700) (700) (700) (700) (820) (700) (820) (820) (820) (820) (820) (1110) (1110) (1110) (1110) (1680) (1680) (1680) (635) (635) 7.28 (185) 7.28 (185) 9.64 (245) 7.28 (185) 9.64 (245) 9.64 (245) (410) (410) (410) (410) (410) (410) (840) (840) (840) (390) (390) (596) (596) 8.86 (225) 9.05 (230) 9.45 (240) 9.64 (245) (280) (318) (318) (351) (376) (390) (415) 1 (454) 1 (454) (494) (494) (522) (587) (587) (717) (723) (766) (766) 8.35 (212) 9.05 (230) 9.84 (250) (265) (280) (318) (343) (376) (415) (443) 1 (454) (482) (494) (522) (559) (587) (624) (723) (766) (259) (277) (287) (292) (302) 1 (317) (353) (391) (391) (424) (476) (463) (515) (554) (554) (593) (593) (654) (719) (719) (801) (865) (964) (964) (269) (287) (323) (338) (353) (391) (443) (476) (515) (575) (554) (614) (593) (654) (724) (719) (789) (936) (964) (514) (550) (560) 2 (571) (581) 2 (608) (644) (713) (713) (781) (833) (852) 3 (904) (968) (968) (1039) (1039) (1100) (1251) (1251) (1425) (1495) (1619) (1619) (524) (560) (596) (617) (644) (713) (765) (833) (904) (964) (968) (1028) (1039) (1100) (1170) (1251) (1321) (1495) (1619) 1.22 (31) 1.22 (31) 1.22 (31) ) 19.8 (9) (13) 28.6 (13) 33.0 (15) 37.4 (17) 61.6 (28) 81.4 (37) 81.4 (37) (46) (58) (61) (73) (92) (92) (139) (185) (185) (326) (501) 30.8 (14) 35.2 (16) (32) 74.8 (34) 94.6 (43) (72) (87) (144) (106) (163) (137) (194) (559) (240) (675) (766)
9 H A 165 B A B B A ø C G F E D NAF / NAF / NAF / For highlevel actuator installation, (design H) a spacer with height R is also required R Table 9 The below stated dp apply for clean media type water. For other media contact Flowserve, see also page 4. Valve size DN Max dp bar (psi) at supply of 58 psi 72.5 psi 87 psi (4 bar) (5 bar) (6 bar) Singleacting, spring to open according to Fk NAF No (18) (20) (25) (25) (25) (25) (20) (25) (25) (25) (14) (18) (25) (25) (25) (25) (20) (18) (25) (25) (25) (25) (25) (25) (25) (14) (20) (145.0) (25) (25) (10) (25) (25) (12) (25) (25) (25) (25) (12) (12) (25) (25) (22) (25) (10) (14) 5280 Dimensions, inch (mm) A B C D E F G 1) H R (455) (635) (635) (635) (270) (390) (390) (390) ( (212) 9.13 (232) 9.05 (230) 9.05 (250) 9.64 (245) (265) (280) (318) (343) (376) 1 (404) (415) (443) 1 (454) (482) (522) (559) (587) (624) (723) (766) (259) (269) (305) (287) (323) (302) (338) (353) (391) (443) (476) (536) (515) (575) (554) (614) (654) (724) (719) (789) (936) (964) (514) (524) (560) (560) (596) (581) (617) (644) (713) (765) (833) (883) (904) (964) (968) (1028) (1100) (1170) (1251) (1321) (1495) (1619) 1.22 (31) Weight lb (kg) 2) 22.0 (10) 30.8 (14) 61.6 (28) 35.2 (16) (18) 70.4 (32) 74.8 (34) ) (72) (87) (144) (10) (163) (194) (559) (240) (675) (766) 1) Including valve positioner 2) Wafer type PN 1025, ANSI Class 150 9
10 Accessories Flowserve s pneumatic actuator Turnex, see Valve positioner Digital valve positioner, see Terminal box The actuator can be equipped with a junction box (part No ) of cast aluminium containing terminal blocks for connecting the solenoid valve and position sensors. Fugitive emissions Approval, EN ISO Flowserve has certified some of our valves with a new stem sealing, according to EN ISO (this new standard will replace the old TAluft standard). The packing box solution is with a Vring set. The new packing set is live loaded with spring cups and equipped with an oring above the stem packing. Following valves have been certified in the first test. Classification according to test results is ISOFE BH CC1 SSA0 t200 o C PN25 Classification classes: BH Tightness class B, test fluid Helium CC mechanical cycles, 2 thermal cycles. SSA0 Without shaft seal adjustments during test T200 C Temperature Class PN25 Endurance Class. Certified Products DN 80350/Size For other sizes and pressure classes contact Flowserve. Other versions Degreased for oxygen Before assembly, all valve parts are degreased in trichlorethylene vapour in accordance with quality instructions Qi207. The valve is assembled and packed so that no oil or grease will enter the valve. Product code: D Explosive atmosphere acc. to Directive 94/9/EC ATEX Valtek Torex TX is certified according to ATEX 94/9/EC in II 2 G/D c Product code: XA 10
11 Product code for Valtek Torex TX Example: B B 0150 B A A A B A D Code Valve type 23 Torex TX 2. Material 6 Carbon steel WCB / Stainless steel CF8M / Pressure rating 2 PN 10 (DN ) 1) 3 PN 16 (DN ) 2) 4 ANSI Class 150 (Size 3 28 ) 5 PN 25 (DN 80700) 4. Stem bearing Body Stem A Hard chrome plated 3) B Metaloplastbearing (max 250 C) 5. Installation method B Wafer type L Lug type body ANSI Class 150 (for PN classes cont. Flowserve) 8. Disc A CF8M / Disc surface A None 10 Seat ring seal/gasket bottom cover G Graphite 11. Stem seal A ZebraCL max temp 482 F (250 C) B Safeguard max temp 482 F (250 C) G Graphite (box) max temp 482 F (350 C) 4) H Graphite extended stem max temp 482 F (350 C) 12. Stem material A EN B EN NACE 13. Other versions D Degreased version for oxygen XA ATEX certified 6. Size DINversion ANSIversion DN Size Seat ring A PTFE max temp. 662 F (250 C) B Inconel max temp. 482 F (350 C) 1) DN 80 has the same flange dimensions in PN 10, 16 and 25, choose PN 25 DN has the same flange dimensions in PN 10 and 16, choose PN 16 2) DN 80 choose PN 25 3) Only in stainless steel version 4) For temperatures above 250 C it s due to type of actuator version H or other type of stem extension recommended. 11
12 Flowserve Corporation Flow Control 1350 N. Mt. Springs Parkway Springville, UT USA Phone: Fax: Flowserve S.A.S. 12, avenue du Quebec B.P Courtaboeuf Cedex France Phone: 33 (0) Fax: 33 (0) Flowserve Pte Ltd. 12 Tuas Avenue 20 Singapore Singapore Phone: Fax: To find the sales location nearest you visit Flowserve.com/SalesLocator For more information about Flowserve Corporation, visit Flowserve Australia Pty Ltd. 14 Dalmore Drive Scoresby, Victoria 3179 Australia Phone: Fax: Flowserve Ltda. Rua Tocantins, 128 São Caetano do Sul, SP Brazil Phone: Fax: VLENTB All data subject to change without notice Flowserve Corporation. Flowserve is a trademark of the Flowserve Corporation flowserve.com
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