2-Piece Closed Die Forged Steel Floating Ball Valve

Valve Type Floating Ball Valve
Body Type 2-Piece Split Body Construction
Manufacturing Process Die Forging
Design Standard API 608 / ASME B16.34 / BS 5351
Nominal Size 1/2″ ~ 2″ (DN15 ~ DN50)
Pressure Class Class 150 ~ 2500 LB (PN16 ~ PN420)
Connection Type Flanged (RF/RTJ) / Socket Weld (SW) / Butt Weld (BW) / Threaded (NPT)
Operation Lever Handle / Gear Operator / Pneumatic Actuator

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설명

2-Piece Die Forged Steel Floating Ball Valve Technical Data Sheet

General Information

Item	사양
밸브 유형	Floating Ball Valve
Body Type	2-Piece Split Body Construction
Manufacturing Process	Die Forging
Design Standard	API 608 / ASME B16.34 / BS 5351
공칭 크기	1/2″ ~ 2″ (DN15 ~ DN50)
Pressure Class	Class 150 ~ 2500 LB (PN16 ~ PN420)
Connection Type	Flanged (RF/RTJ) / Socket Weld (SW) / Butt Weld (BW) / Threaded (NPT)
작업	Lever Handle / Gear Operator / Pneumatic Actuator

Applicable Standards

Item	Standard Code
Design & Manufacturing	API 608, ASME B16.34, BS 5351
Face-to-Face / End-to-End	ASME B16.10
Flanged Connections	ASME B16.5
Butt Weld Ends	ASME B16.25
Socket Weld Ends	ASME B16.11
Threaded Ends	ASME B1.20.1 (NPT)
Test & Inspection	API 598 / API 6D
화재 시험	API 607 / API 6FA

Main Design Features

차체 구조: 2-piece split forged body, side-entry design, bolted body connection.
Manufacturing Process: Die forged construction, dense grain structure, eliminates casting defects, high strength, suitable for high pressure.
Ball Design: Floating ball design, ball supported by two seats, media pressure pushes ball against downstream seat to achieve sealing.
정전기 방지 장치: Spring-loaded anti-static device between stem and ball ensures static electricity dissipation.
Blow-Out Proof Stem: Stem designed with blow-out proof feature for safety.
Fire-Safe Design: Designed to meet API 607/6FA fire test requirements.
Low Emission Packing: Flexible graphite packing, optional VOC sealing rings to meet ISO 15848-1 fugitive emission requirements.
ISO 5211 Mounting Pad: Top flange conforms to ISO 5211 for easy actuator mounting.

Main Component Materials

Item	Part Name	재료	Standard/Remark
1	몸	ASTM A105N	Forged steel, suitable for NACE MR0175
2	End Piece/Bonnet	ASTM A105N	Forged steel
3	공	ASTM A182 F304 / F316	Stainless steel
4	줄기	ASTM A182 F304 / F316	Stainless steel, blow-out proof design
5	좌석	PTFE / RPTFE / PEEK	Soft sealing
6	Seat Gasket	PTFE / Flexible Graphite
7	Packing	Flexible Graphite / PTFE
8	Gland	ASTM A182 F304
9	정전기 방지 장치	SS304 + Spring	Between stem and ball
10	Body Bolt	ASTM A193 Gr.B7	Alloy steel
11	Body Nut	ASTM A194 Gr.2H	Heavy hex nut
12	Lever Handle	Carbon Steel / Malleable Cast Iron

Technical Parameters & Dimensions

5.1 Pressure-Temperature Ratings

Material Group: Group 1.1 (Carbon Steel)
온도 범위: -29°C ~ 200°C (PTFE seats) / Up to 500°C (Metal seated)
Applicable Media: Water, oil, gas, steam, corrosive media, etc.
보어 유형: Full bore or reduced bore

5.2 Dimensions (Reference Values, Class 1500 2″ Butt Weld Ends)

Dimension	Value	Remark
End-to-End Length (L)	368 mm (14.5 inch)	Butt weld ends, per ASME B16.10
Height (H)	Approx. 250 mm	Reference only, may vary by manufacturer
Lever Length	Approx. 250 mm
Weight	Approx. 25 kg	Reference only

5.3 End Connection Details

Socket Weld (SW): Bore diameter and depth per ASME B16.11.
맞대기 용접(BW): Bevel preparation per ASME B16.25.
Flanged (RF/RTJ): Flange dimensions, bolt holes and sealing face per ASME B16.5.
Threaded (NPT): Per ASME B1.20.1.

Test & Inspection (API 598)

Test Item	Test Pressure (Class 1500)	Medium	Acceptance Criteria
Shell Test	23.4 MPa	Water	No visible leakage
High-Pressure Seat Test	17.0 MPa	Water or Air	No visible leakage
Low-Pressure Seat Test	0.5 – 0.7 MPa	Air	No bubbles leakage
Test Duration	Per API 598	—	Hold time conforms to standard

Marking & Supply

Valve Marking: Per MSS SP-25, nameplate to include material, pressure, heat number, fire-safe certification mark (if applicable), etc.
Cleaning & Protection: Valves internally and externally cleaned, ends covered with protectors, flange faces coated with rust preventive (if applicable).
Documentation: Material certificates, pressure test reports, declaration of conformity, fire-safe certificate (if applicable) provided with shipment.

Note: This technical data sheet is based on standard 2-piece die forged steel floating ball valve design. Actual dimensions and configurations may vary depending on manufacturer and customer requirements. Please select appropriate seat material and pressure class based on actual operating conditions.

보증:

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