valves

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2 Piece Trunnion Mounted Ball Valve - SERIES 15T / 30T /60T / 70T / 80T

 
Design:
  • Body joint integrity and fire safety is ensured by dual independent seals.
  • Standard cast body and end cap construction.
  • All designs use 2 antistatic devices.
  • Manual body vent design allows safe relief of pressure prior to servicing.
  • Manual body drain can be used to safely drain or flush the valve prior to being serviced or removed from line.
  • All trunnion ball valves are equipped with ISO 5211 actuator mounting flanges.
  • All SANKEY™ trunnion ball valves are low emission capable due to the O-ring design.
  • All O-rings are of AED (anti-explosive decompression) design.

Stem Design Features:

  • Blow out proof stem.
  • Stems and trunnions are manufactured separately from the ball and supported by a bearing and thrust washer to ensure low consistent torques.
  • Triple independent low emission stem seals ensure stem seal integrity.
  • All valves include emergency secondary stem sealant injection system.

Seat Design Features:
• Special wide seat insert design provides an increased life in difficult service conditions.
• Seat ring sealing includes separate graphite seals for fire safe design and O-rings for tight sealing.
• DBB – Double block and bleed design with self-relieving body cavity per API 6D.

Leakage Test:
Class VI  

Actuator mounting flange:
DIN/ISO 5211

SPECIFICATION:

  • Type: Two Piece Trunnion Mounted Flanged Ball Valve
  • Port: Full & Regular (Reduced) Bore
  • Size: - 50 mm to 400mm NB
  • Pressure Rating: -  

ASME #150       PN 20
ASME #300       PN 50
ASME #600       PN 100
ASME #900       PN 150
ASME #1500     PN 250
ASME #2500     PN 420

  • Temperature Range: - 35 Deg C to 280 Deg C (Soft Seated)
  • Body Materials: -  Stainless Steel / Carbon Steel / Alloys
  • Design Standard: - API 6D rev 23; ISO 17292 rev 2004
  • End Flanges: - ASME B16.5 2013
  • Face to Face Dimension: - ASME B16.10 Rev 2009
  • Fire safe design: API-607 Rev 2010
  • Testing: API 598 Rev 2009
  • Sour Service: NACE MOR 0175 Rev 2009
  • Documents: BS/EN 10204-3.1 REV 2004

TECHNICAL DETAILS
The Sankey Trunnion series ball valve can handle a vast variety of fluids, semisolid and almost any corrosive service on chemical, oil, petrochemical, gas, pulp, paper processing and other industries. Our standard valves with CFT seats are suitable for steam up to 18 bars.
Areas of application: Chemical / Petrochemical / Energy / Oil and Gas / Cement

Key Features:
• Body joint integrity and fire safety is ensured by dual independent seals.
• Standard cast body and end cap construction.
• All trunnion ball valves are equipped with ISO 5211 actuator mounting flanges.
• All SANKEY™ trunnion ball valves are low emission capable due to the O-ring design.
• All O-rings are of AED (anti-explosive decompression) design.
• Blow out proof stem.
• Stems and trunnions are manufactured separately from the ball and supported by a bearing and    thrust washer to ensure low consistent torques.
• Triple independent low emission stem seals ensure stem seal integrity.
• All valves include emergency secondary stem sealant injection system.
• Seat ring sealing includes separate graphite seals for fire safe design and O-rings for tight sealing.

 

Trunnion Mounted Ball Valve










2 Piece Trunnion Ball Valve
SR.NO. PART NAME STAINLESS STEEL CARBON STEEL QTY
1 BODY MACHING ASTM A351 CF8M ASTM A216 WCB 1
2 END CON.M/C ASTM A351 CF8M ASTM A216 WCB 1
3 BALL ASTM A351 CF8M ASTM A351 CF8M 1
4 SEAT RING SPRINGS INCONEL 750 INCONEL 750 32
5 SEAT RING SS 316 SS 316 2
6 SEAT SEAL GRAFOIL ROPE GRAFOIL ROPE 2
7 GLAND SS 316 MS 1
8 STEM 17-4PH 17-4PH 1
9 STEM HOUSING SS 410 SS 410 1
10 GLAND BEARING MU MU 1
11 STEM SEAL GRAFOIL GRAFOIL 2
12 STEM BEARING MU MU 1
13 SEAT INSERT NYLON NYLON 2
14 ALLEN BOLT HIGH TENSILE HIGH TENSILE 5
15 TRUNNION SS 410 SS 410 1
16 STEM TRUNNION BEARING MU MU 1
17 THRUST WASHER MU MU 1
18 STEM HOUSING SEAL GRAFOIL GRAFOIL 1
19 TRUNNION SEAL GRAFOIL GRAFOIL 2
20 STUD HIGH TENSILE HIGH TENSILE 8
21 NUT HIGH TENSILE HIGH TENSILE 8
22 ALLEN BOLT HIGH TENSILE HIGH TENSILE 6
23 ALLEN BOLT HIGH TENSILE HIGH TENSILE 8
24 STUD HIGH TENSILE HIGH TENSILE 14
25 NUT HIGH TENSILE HIGH TENSILE 14
26 TRUNNION THRUST WASHER MU MU 1
27 SPACER SS 316 SS 316 1
28 END CONNECTOR O-RING VITON VITON 1
29 HOUSING OUTTER O-RING VITON VITON 2
30 HOUSING INNER O-RING / TRUNNION O-RING VITON VITON 3
31 BODY SEAL GRAFOIL GRAFOIL 1
32 SEAT RING O-RING VITON VITON 2
33 BRACKET MS MS 1





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