4"-150LB-RF Precision Cast Soft Seated Floating Ball Valve
4"-150LB-RF Precision Cast Soft Seated Floating Ball Valve - Image 2
4"-150LB-RF Precision Cast Soft Seated Floating Ball Valve - Image 3
4"-150LB-RF Precision Cast Soft Seated Floating Ball Valve - Image 4

4″-150LB-RF Precision Cast Soft Seated Floating Ball Valve

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Description

Precision Cast Soft Seated Floating Ball Valve – Technical Data Sheet

Process: Silica Sol Casting (Investment Casting)

Item Specification
Product Name Floating Ball Valve, Soft Seated
Nominal Size 4″ (DN100)
Pressure Rating Class 150 (PN20)
Connection Flanged, Raised Face (RF)
Flange Standard ASME B16.5
Design Standard ASME B16.34 / API 608
Face-to-Face ASME B16.10
Construction Floating ball, two-piece or three-piece body
Casting Process Silica sol precision casting – smooth surface finish (Ra ≤ 3.2 μm), tight tolerances, defect-free surface
Seat Type Soft seated (PTFE / RTFE / PEEK), bidirectional bubble-tight shut-off
Temperature Range -29°C ~ +180°C (depending on seat material)
Applicable Media Water, oil, gas, chemicals, mild corrosive media

1. Main Parts & Materials (Silica Sol Castings)

Component Material (Standard) Optional
Body WCB (silica sol cast) CF8, CF8M, CF3M
End Caps WCB (silica sol cast) CF8, CF8M, CF3M
Ball 304 SS / 316 SS (investment cast or forged) Nickel/Chromium plated
Seat PTFE RTFE, PEEK, Devlon
Stem 304 SS / 316 SS 17-4PH, Monel
Stem Seals PTFE V-ring Graphite (high temp)
Gasket PTFE Spiral wound SS+graphite
Bolting A193 B8 / A194 8 A193 B7 / A194 2H

2. Dimensions & Weight (Class 150 Flanged, RF)

Dimension mm inch
Face-to-Face (L) 229 9.02
Flange OD (D) 230 9.06
Bolt Circle (K) 190.5 7.50
Flange Thickness (C) 24 0.94
Bolt Holes 8 × ø19 8 × ¾″
Overall Height (H) ~280 –
Weight ~20 kg –

3. Silica Sol Casting Advantages

  • Superior Surface Finish – Reduces fugitive emission potential and extends seat life.

  • High Dimensional Accuracy – Maintains tight tolerances, ensuring consistent flange alignment and ball-seat fit.

  • Defect-Free Structure – Minimizes porosity, inclusions, and shrinkage defects compared to traditional sand casting.

  • Thin-Wall Capability – Allows lighter, more compact valve bodies without compromising strength.

4. Performance Features

  • Soft Seated Floating Ball – Bubble-tight shut-off in both directions.

  • Precision Cast Body – Ensures reliable sealing and extended cycle life.

  • Low Torque Operation – Smooth ball surface and low-friction seats.

  • Fire Safe Option – Available with secondary metal seat to meet API 607.

5. Actuation Options

  • Lever handle (standard)

  • Gear operator (optional)

  • Pneumatic or electric actuator for automation

6. Testing & Compliance

Test Standard
Shell Test 1.5 × rated pressure
Seat Test 1.1 × rated pressure, zero leakage per API 598 / ISO 5208 Rate A
Material Traceability EN 10204 3.1 (optional)

Note:

  • Silica sol casting ensures a high-quality surface finish suitable for critical services and automated actuation.

  • Final dimensions and materials can be tailored to project specifications.

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