14″-125LB Cast Iron Metal Seated Rising Stem Gate Valve

Nominal Size 14 inches (14″) / DN350
Pressure Class 125 LB (Class 125)
End Connection Flanged Ends
Flange Standard ASME B16.1 Class 125 (Cast Iron Flange, RF/FF)
Face-to-Face Dimension MSS SP-70 / ASME B16.10
Design & Manufacture Standard MSS SP-70
Test & Inspection Standard API 598

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TECHNICAL DATASHEET

14″ 125LB Ductile Iron Rising Stem Gate Valve

General Specifications

Item	Spesifikasi
Jenis Katup	Rising Stem Gate Valve (OS&Y)
Ukuran Nominal	14 inches (14″) / DN350
Pressure Class	125 LB (Class 125)
End Connection	Flanged Ends
Flange Standard	ASME B16.1 Class 125 (Cast Iron Flange, RF/FF)
Face-to-Face Dimension	MSS SP-70 / ASME B16.10
Design & Manufacture Standard	MSS SP-70
Test & Inspection Standard	API 598

Design Parameters

Item	Unit/Standard	Parameter
Max. Allowable Pressure	psi	200 psi @ Saturated Steam / 175 psi @ WOG (Non-Shock)
Service Media	–	Water, Oil, Gas (WOG) or Steam (depending on conditions)
Operating Temperature	°C / °F	-29°C to 220°C (-20°F to 430°F)
Operasi	–	Handwheel / Gearbox (Recommended for this size)

Material of Construction (M.O.C.)

Part Name	Material Required	Standard / Grade (Ref.)
1. Body	Ductile Iron (DI)	ASTM A536 (60-40-18) or ASTM A395
2. Bonnet	Ductile Iron (DI)	ASTM A536
3. Wedge (Gate)	Ductile Iron (DI) with Bronze seat face	ASTM A536, Bronze overlay/inlay on seat faces
4. Seat Ring (Seat Face)	Bronze	ASTM B62 (C83600) or ASTM B61
5. Stem	Stainless Steel	ASTM A276 Type 410 / 304 / 316
6. Stem Nut	Bronze / Aluminum Bronze	High-strength wear-resistant alloy
7. Packing	Flexible Graphite / PTFE	–
8. Gasket	Non-asbestos fiber / Graphite	–
9. Bolts/Nuts	Carbon Steel	ASTM A307 Grade B / A194 2H (Zinc plated)
10. Handwheel	Ductile Iron / Malleable Iron	–

Main Dimensions (Reference)

Note: Dimensions for reference only. Final dimensions to be verified per manufacturer’s drawing. (Unit: mm / inch)

Keterangan	Dimension (mm)	Dimension (inch)	Perkataan
Face-to-Face (L)	584	23.0	Per MSS SP-70 / ASME B16.10
Flange Diameter (D)	470	18.5	ASME B16.1 Class 125
Bolt Circle Diameter (C)	419.1	16.5	ASME B16.1 Class 125
Bolt Holes (n-ød)	12-ø25.4	12-1.0″	12 holes
Flange Thickness (T)	32	1.26	ASME B16.1 Class 125
Handwheel Diameter (W)	Approx. 500	Approx. 19.7	Varies by manufacturer; gearbox recommended
Top-to-Open Height (H)	Approx. 1100	Approx. 43.3	From stem top to handwheel (Reference)
Approx. Weight	450 kg	990 lbs	Estimated, varies by manufacturer

Inspection & Testing (API 598)

Test Description	Medium	Pressure (psi)	Requirement
Shell (Hydrostatic)	Water	300	No visible leakage
Seat (High Pressure)	Water	220	Leakage Rate: Class D (or as specified)
Backseat Test	Water/Air	As required	No visible leakage
Low Pressure Pneumatic	Air	60 – 80	Optional, leakage rate ≤ specified rating

Options & Accessories

Item	Options
Stem Upgrade	17-4PH / Monel / Inconel / AISI 316
Wedge Material	Full Stainless Steel / Nickel-Coated Ductile Iron
Operasi	Gearbox (Recommended for 14″) / Electric Actuator / Pneumatic Actuator / Extension Stem
Flange Facing	Flat Face (FF) or Raised Face (RF) to match counter flange
Coating	Epoxy Coated (Blue RAL 5005 or Black), min. thickness 250μm per AWWA C550
By-Pass	By-Pass Assembly (for pressure equalization)
Position Indicator	Rising stem provides visual indication; optional limit switch for actuated versions

Notes / Remarks:

Peringkat Tekanan: Class 125 per ASME B16.1 standard. Maximum allowable working pressure is 175 psi for WOG (Water, Oil, Gas) Dan 200 psi for saturated steam at ambient temperature.
Desain Kursi: Bronze seat faces are achieved by overlaying (welding) or inserting bronze rings on both body and wedge, ensuring corrosion resistance and long service life.
Desain Batang: Outside Screw and Yoke (OS&Y) design isolates the stem threads from the media, allowing in-line maintenance and providing visual indication of valve position.
Gearbox Recommendation: Due to the large size (14″), a gearbox operator is strongly recommended for ease of operation and to reduce manual effort.
Applicable Standards: This datasheet is based on MSS SP-70 and ASME standards. Please confirm specific standard revisions and project special requirements before procurement.

JAMINAN:

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