2″-150LB-RF Silica Sol Precision Casting Floating Ball Valve

2″-150LB-RF Silica Sol Precision Casting Floating Ball Valve

Nominal Size 2″ (DN50)
Pressure Rating Class 150 (PN20)
Connection Type Flanged, Raised Face (RF)
Flange Standard ASME B16.5 / ASME B16.47 Series A
Design Standard ASME B16.34 / API 608 / ISO 17292
Face-to-Face Dimension ASME B16.10 – long pattern (178 mm / 7.01″)

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2″-150LB-RF Silica Sol Precision Cast Floating Ball Valve – Technical Data Sheet

Item

仕様

Product Name

Floating Ball Valve, Soft Seated

公称サイズ

2″ (DN50)

圧力定格

Class 150 (PN20)

Connection Type

Flanged, Raised Face (RF)

Flange Standard

ASME B16.5 / ASME B16.47 Series A

Design Standard

ASME B16.34 / API 608 / ISO 17292

Face-to-Face Dimension

ASME B16.10 – long pattern (178 mm / 7.01″)

Construction

Floating ball, two‑piece or three‑piece body

Casting Process

Silica sol precision casting – smooth surface finish (Ra ≤ 3.2 μm), tight dimensional tolerances, defect‑free

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 Material

WCB (silica sol cast)

CF8 (304 SS), CF8M (316 SS), CF3M (316L SS)

End Caps

WCB (silica sol cast)

Same as body

ボール

304 SS / 316 SS (investment cast or forged)

Nickel‑plated, chromium‑plated, Stellite coated

シート

PTFE (virgin)

RTFE (reinforced), PEEK, Devlon

304 SS / 316 SS

17‑4PH, Monel

Stem Seals

PTFE V‑ring packing

Graphite (for higher temperature)

Gasket

PTFE

Spiral wound (SS + graphite)

Bolting

A193 B8 / A194 8

A193 B7 / A194 2H (for carbon steel body)

  1. Dimensions & Weight (Class 150 Flanged, RF – Standard)

Dimension

mm

inch

Face‑to‑Face (L)

178

7.01

Flange Outer Diameter (D)

152

6.00

Bolt Circle Diameter (K)

120.7

4.75

Flange Thickness (C)

19

0.75

Number of Bolt Holes

4

Bolt Hole Diameter

19

0.75

Overall Height (H) (valve only)

~110

Weight (valve body only)

~8 – 10 kg

Note: Dimensions follow ASME B16.10 for short pattern; some manufacturers use longer patterns. Confirm with drawing.

  1. Silica Sol Casting Advantages
  • Superior Surface Finish – Reduces fugitive emissions, minimizes seat wear, and ensures reliable ball‑seat contact.
  • High Dimensional Accuracy – Consistent flange alignment and ball cavity dimensions, critical for automated actuation.
  • Defect‑Free Structure – Almost no porosity, inclusions, or shrinkage defects compared to sand casting.
  • Thin‑Wall Capability – Allows lighter weight without compromising mechanical strength.
  1. Performance Features
  1. Soft Seated Floating Ball – Bubble‑tight shut‑off in both directions (zero leakage per API 598 / ISO 5208 Rate A).
  2. Precision Cast Body – Smooth internal surface reduces pressure drop and extends seat life.
  3. Low Operating Torque – Polished ball and low‑friction PTFE seats ensure easy manual or actuated operation.
  4. Bidirectional Sealing – No preferred flow direction; simplifies installation.
  5. Fire Safe Design (Optional) – Secondary metal‑to‑metal sealing meets API 607 / ISO 10497.
  6. Anti‑Static Device – Available to dissipate static charge across the ball, stem, and body.
  1. Actuation Options

Actuator Type

Description

Lever Handle

Standard manual operation, with locking plate in open/closed position

Gear Operator

For higher torque or larger sizes (optional for 2″)

Pneumatic Actuator

Double‑acting or single‑acting (spring return) for on‑off or modulating service

Electric Actuator

For remote automated control with position feedback

  1. アプリケーション
  • Water treatment and distribution
  • Oil and gas gathering lines
  • Chemical and petrochemical process lines
  • HVAC systems
  • Food and beverage (with stainless steel body)
  • General industrial utilities
  1. Testing & Compliance

Test

Standard / Requirement

Shell Test

1.5 × Class 150 (2.2 MPa / 319 psi) – no visible leakage

Seat Test

1.1 × Class 150 (1.6 MPa / 232 psi) – zero leakage (Rate A)

Low‑Pressure Seat Test

0.6 MPa (87 psi) – zero leakage

Material Traceability

EN 10204 3.1 (optional)

Marking

Per MSS SP‑25 / API 608

  1. Ordering Information

When ordering, please specify:

  • Valve size: 2″
  • Pressure rating: Class 150
  • End connection: Flanged RF
  • Body material: WCB / CF8 / CF8M
  • Seat material: PTFE / RTFE / PEEK
  • Operation: Lever / Gear / Pneumatic / Electric
  • Special requirements: Fire safe, anti‑static, low‑emission packing, NACE MR0175, etc.

Notes:

  • Silica sol casting ensures a high‑quality surface finish, making this valve suitable for critical services and automated actuation.
  • For stainless steel bodies (CF8/CF8M), the same silica sol process applies, offering excellent corrosion resistance.
  • Final dimensions and weights may vary slightly by manufacturer; refer to approved drawings for exact values.

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