Robinson Valve Co.,Ltd ROBINSON VALVE

API Split Ball Valve 2Pc Ti Material High Quality

Design Standard
ASME B16.34, API608, API6D
Pressure Rating
WCB, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, F304, F316, F304L, F316L.
Lever, Pneumatic, Electric
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API  Split Ball Valve 2Pc Ti Material High Quality

API  Split Ball Valve 2Pc Ti Material High Quality


  • Size: : 2"~40''
  • Pressure: Class150LB-1500LB. 
  • Material: WCB, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, F304, F316, F304L, F316L. 
  • Design & Manufacture Std.: ASME B16.34, API608, API6D. 
  • Fire Safe Std: API607, BS6755. 
  • Face to Face Std.: ASME B16.10. 
  • End Connection Std.: ASME B16.5, JISB2212/JISB2214, DIN2543/DIN2544. 
  • Mounting padISO5211. 
  • Test Standard: API598, API 6D, JISB2003, DIN3230. 
  • Structure Type: Two-piece Floating type, Full bore
  • Operated way: Lever, Pneumatic, Electric. 

Main Feature

Urgent grease injection device

According to customer s' requirement, the trunnion ball valves made by our company are provided with devices for urgent grease injection, which are on both the stem and seat for the trunnion ball valves of DN >150mm (NPS), and in the body cavity for the valve of DN < 125mm. 

When the O ring of stem or the body seat ring is damaged due to accident, the medium leakage between body and stem can be prevented by injecting the sealing grease through the device. 

Double-block and bleed functions

In general, Robinson trunnion ball valve features the front ball sealing design structure. Each seat of the ball valve can separately cut off the medium at both inlet and outlet of the valve to realize double-block functions. When the ball valve is closed, body cavity and two of the body ends can be blocked with each other even if both the inlet and outlet are under pressure, when the medium left in the body cavity might be bled through the relief valve. 

Fire safe design

With the valve heated in a fire application, the non-metal material parts such as seat sealing ring of PTFE, O ring for the stem, and sealing gasket for body and bonnet,might be damaged due to high temperature. Our company's special design of auxiliary metal to metal or the graphite seal is provited fo rthe trunnion ball valve to effectively prevent both internal and external leakage of the valve. As required by customers, our company's fire safe design for the trunnion ball valve meets the requirement of API 607, API 6Fa, BS 6755 and JB/T 6899. 

Self-relief in the body cavity

As the liquid medium left in the body cavity gasifies due to increased temperature, the pressure in the body cavity becomes abnormally higher, when the medium itself in the cavity would propel the seat and self-relieves the pressure to ensure the safety of valve. 

No. Part Material
1 Bonnet ASTM A105  A182-F304, F316, F316L, F304L, F51
2 Seat Spring Inconel X-7505? S.S.304? S.S.316
4 Seat Injection 1020+Zn A182-F304, F316, F316L
5 Body ASTM A105 A182-F304, F316, F316L, F304L, F51
6 Screw ASTM A193-B7, B8
7 Top Flange ASTM A105 A182-F304
8 O-ring NBR Viton
9 Key 1045 A182-F304, F316, F316L, F304L
10 Stem ASTM A105+ENP A182-F6, F304, F304L, F316, F316L,17-4PH, F51
11 Vent Valve 1020+Zn? A182-F304, F316, F316L
12 Stem Injection 1020+Zn A182-F304, F316, F316L
13 Sliding Bearing Stainless Steel+PTFE S.S.316+PTFE
14 Thrust Washer PTFE
15 Seat Ring ASTM A105+ENP A182-F6, F304, F304L, F316, F316L, F51
16 Stud ASTM A193-B7, B7M, B8, B8M
17 Nut ASTM A194-2H, 2HM, 8, 8M
18 Gasket PTFE S.S.304+Graphite S.S.316+Graphite
19 Ball ASTM A105+ENP ASTM A182-F304, F316, F316L, F6, F51
20 Lower Gasket PTFE
21 Drain Valve 1020+Zn A182-F304, F316, F316L
22 Antistatic Spring Stainless Steel S.S.316
23 Trunnion ASTM A105+ENP A182-F6, F304, F304L, F316, F316L, F51
24 Screw ASTM A193-B7, B8
25 Seat Sealing Graphite
26 Gland Gasket S.S.304+Graphite
27 Bottom Cover Gasket S.S.304+Graphite
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