1″-800LB Vacuum Floating Ball Valve

Size 1 inch (DN25)
Pressure Class Class 800 LB (PN130 / 2000 PSI)
Body Material Stainless Steel (ASTM A182 F304 / F316 / F316L)
Manufacturing Process Forged Steel (Close Die Forged)
Design Standard ASME B16.34 / API 608 / API 6D
End Connection Standard ASME B1.20.1 (NPT) / ASME B16.25 (BW) / ASME B16.11 (SW)
Face to Face Standard Manufacturer Standard

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TECHNICAL DATA SHEET

Product Name: 1-inch 800LB Stainless Steel Vacuum Floating Ball Valve
Model/Specification: 1″-800LB-VACUUM-BALL
Loại van: Floating Ball Valve (Vacuum Service)
Connection Type: Threaded (NPT) / Butt Weld (BW) / Socket Weld (SW) User specified

Basic Design Parameters

Tham số	Standard/Specification
Kích cỡ	1 inch (DN25)
Pressure Class	Class 800 LB (PN130 / 2000 PSI)
Vật liệu thân máy	Stainless Steel (ASTM A182 F304 / F316 / F316L)
Manufacturing Process	Forged Steel (Close Die Forged)
Design Standard	ASME B16.34 / API 608 / API 6D
End Connection Standard	ASME B1.20.1 (NPT) / ASME B16.25 (BW) / ASME B16.11 (SW)
Face to Face Standard	Manufacturer Standard
Test & Inspection Std.	API 598 / ISO 5208 / Vacuum Leak Test (Helium)
Vacuum Service Compliance	Designed for high vacuum applications (up to 10⁻⁶ mbar)
Fire-Safe Design	API 607 / ISO 10497 (Optional)
Fugitive Emission	ISO 15848-1 (Optional)

Technical Specifications

Tham số	Details
Loại van	Floating Ball, 3-Piece Construction (Standard)
Bonnet Type	Bolted Bonnet, Side Entry
Loại lỗ khoan	Full Bore
Service Pressure	Positive Pressure: Up to 800 LB (PN130) / Vacuum Service: Down to 10⁻⁶ mbar
Applicable Media	High vacuum systems, Gases, Liquids, Clean room applications
Phạm vi nhiệt độ	-29°C to +150°C (Standard seats) / Up to +300°C (High temp seats)
Hoạt động	Lever Handle (Lockable) / Gearbox / Pneumatic Actuator / Electric Actuator
Thiết bị chống tĩnh điện	API 608 Requirement (Standard)
Blow-Out Proof Stem	Tiêu chuẩn
Cavity Pressure Relief	Self-relieving seat design (upstream/downstream)

Material of Construction (Recommended – Stainless Steel for Vacuum Service)

Part Name	Vật liệu	Standard/Grade
Thân hình	Forged Stainless Steel	ASTM A182 F304 / F316
End Cap	Forged Stainless Steel	ASTM A182 F304 / F316
Quả bóng	Stainless Steel (Hardened)	ASTM A182 F304 / F316 (Chrome plated optional for wear resistance)
Thân cây	Stainless Steel	ASTM A182 F304 / F316 (Blow-out proof)
Seat Seal (Primary)	RPTFE / PTFE / PEEK	Reinforced PTFE for vacuum integrity
Stem Seal / Packing	RPTFE / Graphite	Low outgassing materials for vacuum
Body Gasket	Stainless Steel + Graphite	Spiral Wound / Reinforced
Thiết bị chống tĩnh điện	Stainless Steel Ball + Spring	316 SS
Body Bolts/Nuts	Stainless Steel	ASTM A193 B8 / A194 8
Handle / Lever	Stainless Steel	ASTM A182 F304

Main Dimensions & End Connection Details

*Note: Dimensions are for 1″ 3-Piece Floating Ball Valve with Threaded Ends (NPT). BW/SW dimensions may vary by manufacturer.*

4.1 End-to-End Dimensions (Threaded – 3-Piece Construction)

Kích cỡ	Pressure Class	Sự liên quan	L (mm)	L (in)	H (Open) mm	H (Open) in	W (Handle) mm	W (Handle) in	Weight (kg)	Weight (lbs)
1″	800LB	1″ NPT	~120	~4.72	~65	~2.56	~160	~6.30	~1.2	~2.6

*Note: 3-piece construction allows for easy maintenance and removal from the pipeline without disturbing pipe ends.*

4.2 End Preparation Details (Per ASME Standards)

Connection Type	Tiêu chuẩn	Details
Threaded (NPT)	ASME B1.20.1	Tapered pipe threads, 1″ NPT Female
Mối hàn đối đầu (BW)	ASME B16.25	Bevel Angle: 37.5°, Root Face: 1.6 mm, Counterbore to match pipe schedule
Socket Weld (SW)	ASME B16.11	Socket depth per standard, Bore diameter to match pipe

Pressure-Temperature Rating (ASME B16.34 / Class 800)

*Material Group: Stainless Steel (A182 F304/F316) with RPTFE seats *

Temperature (°C)	Working Pressure (bar)	Working Pressure (psi)	Ghi chú
-29 to 38	130	1885	Maximum Rating (800LB / PN130)
100	124	1800
150	111	1610	Maximum for RPTFE seats
200	97	1405	With high temp seats (PEEK)
250	85	1230	With high temp seats
300	70	1015	With high temp seats

Note: For vacuum service, the valve is rated for differential pressure up to full vacuum (0 bar absolute) in either direction.

Vacuum Service Specifications

Tham số	Value
Vacuum Rating	10⁻⁶ mbar (High vacuum)
Leak Rate (Helium Test)	< 1 x 10⁻⁶ mbar·L/s
Outgassing Characteristics	Low outgassing materials (Stainless Steel + PTFE/RPTFE)
Bakeout Temperature	Up to 150°C (with valve open, seats removed if required)
Pressure Direction	Bidirectional (suitable for vacuum in either direction)

Flow Characteristics (1″ – Full Bore)

Tham số	Value
Port Diameter (Full Bore)	~25 mm (0.98 in) (typical for 1″ Class 800)
Flow Coefficient Cv (US gal/min)	~35 – 40 (typical for 1″ full bore ball valve)
Flow Coefficient Kv (m³/h)	~30 – 35

Test Pressure (API 598 + Vacuum Test)

Test Type	Medium	Pressure (bar)	Pressure (psi)	Acceptance Criteria
Shell Test (Hydrostatic)	Water	195	2828	1.5 x 38°C Rating (no visible leakage)
High-Pressure Seat Test	Water	143	2074	1.1 x 38°C Rating (Rate A per API 598)
Low-Pressure Seat Test	Air / N2	5.5 – 7.0	80 – 100	Bubble-tight
Vacuum Leak Test	Helium	Vacuum (10⁻³ mbar)	—	Mass spectrometer test, < 1 x 10⁻⁶ mbar·L/s

Features & Applications

Key Features:

Vacuum Service Compatibility: Specially designed for high vacuum applications down to 10⁻⁶ mbar, with helium leak testing to verify integrity.
Double Block & Bleed: 3-piece design allows for positive isolation and safe maintenance.
Low Outgassing Materials: Stainless steel body with RPTFE/PTFE seats minimizes contamination of vacuum systems .
Full Bore Design: Minimal pressure drop and easy system evacuation .
Blow-out Proof Stem: Ensures stem retention under all pressure conditions .
Anti-Static Device: Dissipates static charge, critical for vacuum systems where static buildup can occur .
Fire-Safe Design: Optional API 607 certification ensures sealing integrity in case of fire.
Forged Body: Provides superior strength and reliability at high pressures and vacuum conditions .
3-Piece Construction: Allows for easy maintenance and in-line repair without removing pipe ends .
Lockable Handle: Provides safety lockout capability for maintenance .

Main Applications:

Semiconductor Manufacturing: Vacuum processing chambers and gas delivery systems.
Research Laboratories: High vacuum experimental setups.
Pharmaceutical Industry: Freeze drying (lyophilization) systems.
Analytical Instruments: Mass spectrometers, electron microscopes.
Space Simulation: Vacuum chambers for testing.
Coating Industries: PVD/CVD vacuum coating systems.
General Vacuum Systems: Where reliable isolation from atmosphere is required.

Disclaimer: The above data is prepared based on common standards for vacuum service ball valves. Specific dimensions, materials, and pressure ratings may vary by manufacturer. Vacuum performance should be verified with the manufacturer for the specific application requirements. The final technical agreement shall prevail.

CAM KẾT:

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