Ball Valves

Casted Trunnion Mounted Ball Valve

Casted Trunnion Mounted Ball Valve are designed in accordance with API6D featuring 2 pc or 3 pc split body side entry or top entry design. Wide range of sealing material including PTFE, Peek, Devlon, Nylon etc, valve can be used in working temperature range -46℃~ 500℃. This series of valves are optional designed with Double block and bleed or double piston type. All valves are equipped with sealant injection system for both stem and seats to allow external intervention to prevent seat or stem leakage. The top entry ball valve can be used for in-line maintenance services. TANA full range of trunnion mounted ball valves fire safe test Acc.to BS EN12266. API607 and API6FA.
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Casted Trunnion Mounted Ball Valve
Casted Trunnion Mounted Ball Valve
trunnion mounted ball valve
2 piece trunnion mounted ball valve
3 piece trunnion mounted ball valve
cast steel trunnion mounted ball valve
api 6d trunnion mounted ball valve China

Casted Trunnion Mounted Ball Valve

Features: 

Size: 2"~ 40" (DN25~DN1000). 

Pressure Rating: ASME Class150 to Class 2500 (PN16~PN420). 

Full & Reduced Bore Available 

2 piece/3 piece split body, Bolted bonnet,

Upstream sealing, Self relieving seat 

Double block and bleed(D.B.B)

Fire safe design, Anti-static device, Blow-out proof stem

Injection Port for seat & stem, Drain and Vent Ports

Optional locking device or extension stem

Optional dual piston structure

Optional Top flange to ISO 5211

Specifications

Design & Manufacture:ASME B16.34,API 6D, API 608, BS 5351, ISO 14313,DIN3202

Face to Face:ASME B 16.10/API 6D,

Connection end:ASME B16.5, ASME B16.25, ASME B16.11

Test& Inspection: API 598, API 6D, EN 12266-1. 

Fire Safe Test:API 607/ API6 FA

Special:NACE MR-01-75

Body Material: Carbon steel, stainless steel, alloy steel, duplex steel; aluminum bronze. 

Trim Material: Carbon steel, stainless steel, alloy steel, duplex steel, aluminum bronze.

Ends Connection: FLG R.F or R.TJ; Weld B.W or S.W
Operation: Manually Lever or Gear; Electric, Pneumatic or Hydraulic

Main material list

No. Part Name Carbon Steel Stainless Steel
1 Body A216 WCB A351 CF8 A351 CF8M
2 Bonnet A216 WCB A351 CF8 A351 CF8M
3 Ball A105+ENP A182 F304 A182 F304M
4 Anti-fire packing Graphite Graphite Graphite
5 Seat PTFE/NYLON/MOLON/PEEK/PPL
6 Seat support ring A105+ENP A182 F304 A182 F304M
7 O-ring VITON VITON VITON
8 Spring 17-7PH 17-7PH 17-7PH
9 O-ring VITON VITON VITON
10 Anti-fire gasket SS+Graphite SS+Graphite SS+Graphite
11 Hexagon nut A194 2H A194 8 A194 8M
12 Sealant injection valve Combined parts Combined parts Combined parts
13 Check valve Combined parts Combined parts Combined parts
14 Air release valve Combined parts Combined parts Combined parts
15 Anti-static device Combined parts Combined parts Combined parts
16 Stud A193 B7 A320 B8 A320 B8M
17 Flat key ANSI 1905 ANSI 1045 ANSI 1045
18 Stem A182 F6a 17-4PH 17-4PH
19 Sliding bearing Steel+PTFE Steel+PTFE Steel+PTFE
20 Thrust bearing PTFE PTFE PTFE
21 O-ring VITON VITON VITON
22 O-ring VITON VITON VITON
23 Anti-fire gasket SS+Graphite SS+Graphite SS+Graphite
24 Seal gland A105+ENP A182 F304 A182 F316
25 Screw A193 B7 A320 B8 A320 B8M
26 Packing Graphite Graphite Graphite
27 Packing gland A182 F6a A182 F6a A182 F6a
28 Lower cover A105+ENP A182 F304 A182 F304
29 Stud A193 B7 A320 B8 A320 B8M
30 Hexagon nut A1942H A194 8 A194 8M
31 Drain valve Combined parts Combined parts Combined parts

Remarks:

  1. Select different materials for different working temperature and media.
  2. Trim materials and recommended service coverage referred to Appendix.

For more details, please download catalogue for reference or contact with us.

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