BALL VALVES --- 3-PC TRUNNION MOUNTED BALL VALVE

Pressure Class and Size Range:
ANSI Class
Nominal Size
150
1/2" to 36 "
300
1/2" to 36 "
600
1/2" to 36 "
900
1/2" to 16 "
1500
1/2" to 16"
2500
1/2" to 12"

  Valve Features:
1. 3-piece Bolted Body - Field Serviceable
2. 3-piece Body/ Adapters and Ball are made from Forged Steel materials to ASTM standard.
3. Anti-static Device - Provides electrial continuity between all valve components.
4. Fire-safe Design - Secondary Fire-safe Metal to Metal Seating
5. Blowout-proof Stem - Allows replacement of stem seals when valve is in the full closed position
6. Bi-Directional Flow, capable of achieving sealing in either direction, allowing installation
without preference to either side.
7. Independent spring-loaded seat rings effect DOUBLE (upstream & downstream) seals(BLOCK)
while a combination of vent and drain allow for BLEED operations.
8. Emergency Seat Sealant system and Emergency Stem Sealant system
9. ISO 5211 mounting pad is easily converted from manual to actuated operation
10. Full Bore (Through Conduit) or Reduced Bore
 
Design and Manufacturing Standards:
Basic Design: API 6D
Shell Wall Thickness: BS 5351
Face to Face Dimension: API 6D
Flange End Dimension:

ANSI B16.5 ( 1/2" - 24")
MSS SP-44 ( 24" & up)
Butt-weld End Dimension: ANSI B16.25
Ispection & Testing to:

API 6D / API 598
Fire-safe Design: API 6FA / BS 6755


Standard Material List:
Item
Part Name
Material
Item
Part Name
Material
1
Spring
17-7PH / Inconel X-750
15
Adapter
ASTM A105 / A182-F316
2
Seat Insert
PTFE / R-PTFE
16
Ball
A105 + ENP / 316SS
3
Seat O-Ring
Viton, Buna-N
17
Trunnion Bearing
Epoxy W/ PTFE lined
4
Seat Retainer
CS + ENP / 316SS
18, 19
Trunnion Seal
Buna-N, Viton
5
Stud
ASTM A193 Gr. B7 / B8
20
Stem Seal
Buna-N, Viton
6
Trunnion
CS + ENP / 316SS
21
Stud
ASTM A193 Gr. B7 / B8
7
Drain Valve
CS / SS
22
Stem Packing
Graphite / PTFE
8, 9
Trunnion Seal
Buna-N, Viton
23
Stud
ASTM A193 Gr. B7 / B8
10
Body
ASTM A105 / A182-F316
24
Stem
A105 + ENP / 316SS
11, 12
Body Gasket
316SS W/Graphite / Viton
25
Gland
CS / SS
13
Bolt
ASTM A193 Gr. B7 / B8
26
Stem Grease Fitting
Purchased
14
Nut
ASTM A194 Gr. 2H / 8
27
Seat Injection Fitting
Purchased

Note: For dimension details, please order Tekval e-Catalogs or call for free CD catalogs


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