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4″*3″-1500LB SS Trunnion Ball Valve

4″*3″-1500LB SS Trunnion Ball Valve

Valve Size 4 inches x 3 inches (DN100 x DN80) – Reduced Bore
Pressure Class Class 1500 LB (PN250 / 3700 PSI)
Body Material Stainless Steel (ASTM A182 F304 / F316 / F316L)
Ball Material Stainless Steel (ASTM A182 F304 / F316)
Stem Material Stainless Steel (ASTM A182 F316 / 17-4PH)
Manufacturing Process Forged Steel / Cast Steel (depending on manufacturer)
Design Standard API 6D / ASME B16.34

4″*3″-1500LB SS Trunnion Ball Valve

 

TECHNICAL DATA SHEET

Product Name: 4″ x 3″ 1500LB Stainless Steel Trunnion Mounted Ball Valve
Model/Specification: 4×3″-1500LB-SS-TRUNNION
Jenis Injap: Trunnion Ball Valve (Reduced Bore)
Connection Type: Flanged (RF / RTJ) / Butt Weld (BW) User specified

  1. Basic Design Parameters

Parameter

Standard/Specification

Valve Size

4 inches x 3 inches (DN100 x DN80) – Reduced Bore

Pressure Class

Class 1500 LB (PN250 / 3700 PSI)

Bahan Badan

Stainless Steel (ASTM A182 F304 / F316 / F316L)

Ball Material

Stainless Steel (ASTM A182 F304 / F316)

Stem Material

Stainless Steel (ASTM A182 F316 / 17-4PH)

Manufacturing Process

Forged Steel / Cast Steel (depending on manufacturer)

Design Standard

API 6D / ASME B16.34

End Connection Standard

ASME B16.5 (Flanged RF/RTJ) / ASME B16.25 (BW)

Face to Face Standard

ASME B16.10

Test & Inspection Std.

API 598 / API 6D

Fire-Safe Design

API 607 / API 6FA (Optional)

Fugitive Emission

ISO 15848-1 (Optional)

  1. Technical Specifications

Parameter

Details

Jenis Injap

Trunnion Mounted Ball Valve, Side Entry / Top Entry (Optional)

Body Type

Two-Piece / Three-Piece Bolted Body

Jenis Gergaji

Reduced Bore (4″x3″)

Seat Type

Double Piston Effect (DPE) / Single Piston Effect (SPE) options available

Ball Support

Trunnion-mounted (fixed ball) with double stem bearings

Sealing Principle

Double Block and Bleed (DBB) – Valve isolates pressure from both ends and allows cavity bleed

Applicable Media

Oil, Natural Gas, Water, Steam, Corrosive Fluids, Hydrocarbons

Julat Suhu

-46°C to +200°C (Soft Seats) / -29°C to +427°C (Metal Seats)

Operasi

Worm Gear (Standard) / Lever / Pneumatic Actuator / Electric Actuator

Peranti Anti Statik

API 6D Requirement (Standard) – Spring-loaded ball between ball and stem

Blow-Out Proof Stem

Standard

Cavity Pressure Relief

Self-relieving seat design (automatic pressure relief in ball cavity)

Emergency Sealant Injection

Standard (Sealant injection fittings on body and seat)

  1. Material of Construction (Recommended – Stainless Steel)

Part Name

bahan

Standard/Grade

Badan

Stainless Steel

ASTM A182 F304 / F316 (Forged) or A351 CF8/CF8M (Cast)

Bonnet / Body Ends

Stainless Steel

ASTM A182 F304 / F316

bola

Stainless Steel (Hardened)

ASTM A182 F304 / F316 (Chrome plated optional for wear resistance)

Batang

Stainless Steel / 17-4PH

ASTM A182 F316 / 17-4PH (High strength)

Trunnion

Stainless Steel

ASTM A182 F304 / F316

Seat Rings

Stainless Steel with Soft Insert

A182 F304/F316 + RPTFE / DEVLON® / PEEK

Seat Support / Carrier

Stainless Steel

ASTM A182 F304 / F316

Body Gasket

Spiral Wound

Stainless Steel + Graphite / PTFE

Stem Seals / Packing

RPTFE / Graphite

Low emission, fire-safe grade

Thrust Bearings

PTFE + Stainless Steel

Self-lubricating

Peranti Anti Statik

Stainless Steel Ball + Spring

316 SS

Body Bolts/Nuts

Alloy Steel / Stainless Steel

ASTM A193 B7 / B8 + A194 2H / 8

Gear Operator

Carbon Steel Housing

With position indicator, ISO 5211 mounting pad

  1. Main Dimensions & Connection Details

Note: Dimensions are for 4″x3″ Reduced Bore Trunnion Ball Valve with Flanged Ends (RF). BW end length may vary by manufacturer.

4.1 End-to-End Dimensions (Face-to-Face)

Saiz

Pressure Class

L (RF) mm

L (RF) in

L (RTJ) mm

L (RTJ) in

4″ x 3″

1500LB

432

17.0

432

17.0

4.2 Flange Details (Per ASME B16.5 – Class 1500)

Parameter

4″ Main Flanges

Flange Diameter (OD)

235 mm (9.25 in)

Bolt Circle Diameter (PCD)

190.5 mm (7.5 in)

Number of Bolt Holes

8

Bolt Hole Diameter

32 mm (1.25 in)

Bolt Thread Size

1 1/8″ – 8 UN

Raised Face Height

7 mm (0.28 in)

Hub Diameter

171.4 mm (6.75 in)

Flange Thickness (Min.)

46 mm (1.81 in)

4.3 Bore Details (Reduced Bore)

Parameter

Value

Port Diameter (Reduced Bore)

~76 mm (3.0 in) (Matches 3″ pipe ID)

Flow Area Reduction

Reduced bore for pressure drop management and cost efficiency

  1. Pressure-Temperature Rating (ASME B16.34 / Class 1500)

*Material Group: Stainless Steel (A182 F304/F316) with Soft Seats (RPTFE/PEEK)*

Temperature (°C)

Working Pressure (bar)

Working Pressure (psi)

Nota

-29 to 38

250

3625

Maximum Rating (Class 1500)

100

235

3400

 

150

220

3190

Max for standard RPTFE seats

200

205

2970

With PEEK seats

250

190

2755

With PEEK seats

300

175

2538

With PEEK seats

400

150

2175

With Metal Seats

Note: Metal seated versions available for higher temperatures up to 427°C .

  1. Flow Characteristics (4″x3″ Reduced Bore)

Parameter

Value

Flow Coefficient Cv (US gal/min)

~500 – 600 (typical for 4″x3″ reduced bore)

Flow Coefficient Kv (m³/h)

~430 – 520

Shut-off Class

API 598 / API 6D (Zero Leakage – Soft Seat) / Class V or VI (Metal Seat)

  1. Test Pressure (API 598 / API 6D)

Test Type

Medium

Pressure (bar)

Pressure (psi)

Acceptance Criteria

Shell Test (Hydrostatic)

Water

383

5550

1.5 x 38°C Rating (no visible leakage)

High-Pressure Seat Test

Water

281

4075

1.1 x 38°C Rating (Zero leakage – soft seats)

Low-Pressure Seat Test

Air / N2

5.5 – 7.0

80 – 100

Bubble-tight

Double Block & Bleed Test

Water / Air

Per API 6D

Per API 6D

Verify cavity isolation and bleed capability

  1. Features & Applications
  • Key Features:
    • Trunnion Mounted Design: The ball is supported by upper and lower trunnions (bearings), reducing operating torque and enabling high-pressure, large-size applications .
    • Reduced Bore (4″x3″): Optimized flow path for pressure drop management and cost efficiency.
    • Double Block & Bleed (DBB): Provides positive isolation from both upstream and downstream pressure, with the ability to bleed/vent the body cavity .
    • Emergency Sealant Injection: Fittings allow injection of sealant into seats and stem in case of seal damage, providing emergency shut-off capability .
    • Cavity Pressure Relief: Self-relieving seats prevent dangerous over-pressure in the ball cavity due to thermal expansion .
    • Anti-Static Device: Ensures electrical continuity across the valve to prevent spark ignition in flammable services .
    • Fire-Safe Design: Optional API 607/6FA certification ensures sealing integrity in case of fire .
    • Blow-out Proof Stem: Stem is retained within the valve body even if the gland is removed under pressure .
    • ISO 5211 Mounting Pad: Standardized mounting for easy actuator installation .
    • Bidirectional Sealing: Suitable for flow in either direction.
  • Main Applications:
    • Oil & Gas Pipelines: Transmission and distribution lines requiring DBB isolation .
    • Refineries & Petrochemical Plants: Hydrocarbon processing, high-pressure fluid handling.
    • Offshore Platforms: Compact design for space-constrained applications .
    • Power Generation: Steam and high-pressure water systems.
    • LNG & Cryogenic Plants: With extended bonnet and low-temperature materials.
    • Subsea & Pipeline Terminals: Where high integrity isolation is required.

Disclaimer: The above data is prepared based on common industry standards (API 6D, ASME B16.34) for trunnion ball valves. Specific dimensions, materials, and pressure ratings may vary by manufacturer. The final technical agreement and certified drawings shall prevail.

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