1. FEATURES
Designed to ASME B16.34, BS 1873
Face to face as per ASME B16.34
Hazardous service materials available.
Bolted bonnet, rising stem
Testing according to API 598
2. SPECIFICATIONS
Pressure class: ASME 150 to 2500
Size: DN50-600 (NPS 2”-24”)
Other sizes on request
End connections: BW, RF Flange
Flange ends: ASME B16.5, ASME B16.47
Drive mode: Hand wheel, worm-gear,electric, pneumatic etc.
3. TEST PRESSURE(MPA)
Normal Pressure (Class) 150 300 600 900 1500
Shell Test 2.93 7.55 15.0 22.5 37.5
High pressure seal test 2.07 5.52 11.03 16.5 27.5
Low pressure seal test 0.6
4. PARTS OF MATERIALS
NO. PART NAME Carbon Steel Stainless Steel Cryogenic Steel Duplex Stainless Steel
1 Body A216 WCB A351 CF8M A352 LCB A890 4A
2 Seat F6A or STL INTEGRAL A182 F304 INTEGRAL
3 Disc A105+F6A/STL A351 CF8M A352 LCB UNS S31803
4 Stem A276 410 A276 316 A276 304 UNS S31803
5 Bolt A193 B7 A193 8M A193 8 UNS S32760
6 Nut A194 2H A193 B8M A193 B8 UNS S32760
7 Back Seat A182 F6A A182 F316 A182 F304 UNS S31803
8 Gasket Flexible Graphite + SS316
9 Packing Flexible Graphite
10 Pin A194 2H A276 304 A276 304 UNS S31803
11 Packing Bushing A182 F6A A182 F304 A182 F304 UNS S31803
12 Eyes Bolt A193 B7 A193 B8 A194 8 UNS S32760
13 Nut A194 2H A194 8 A194 8 UNS S32760
14 Gland A216 WCB A351 CF8M A352 LCB UNS S31803
15 Bonnet A216 WCB A351 CF8M A352 LCB UNS S31803
16 Stem Nut B148 C95800
17 Hand wheel A197 A197 A197 A197
18 Hand wheel Nut 1020 A182 F304 A182 F304 1020
Different materials can be offered to be suited for your working temperature and medium.
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