PriceList for Ss Butterfly Valve Wafer - Fully Welded Ball Valves (For Heating Supply Only) – CVG

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PriceList for Ss Butterfly Valve Wafer - Fully Welded Ball Valves (For Heating Supply Only) – CVG Detail:

Features
▪ One-piece welded ball valve, no external leakage and other phenomena.
▪ Leading domestic technology, maintenance-free and long service life.
▪ The welding process is unique, with vital pores, no blisters, high pressure and zero leakage of the valve body.
▪ Using high-quality stainless steel ball, double-layer support type sealing structure, the ball support is scientific and reasonable.
▪ The gasket is made of Teflon, nickel, graphite and other materials, and it’s carbonized.
▪ The valve well has low cost and is easy to open and operate.
▪ Equipped with a grease injection port in the form of a check valve that can prevent the lubricating sealant from flowing back under high pressure.
▪ The valve is equipped with venting, draining and preventing devices according to the needs of the piping system medium.
▪ CNC production equipment, strong technical support, reasonable matching of software and hardware.
▪ Butt weld size can be designed and manufactured according to customer’s request.

Fire Test: API 607. API 6FA
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Various Operation Ways
▪ Various types of valve actuators can be provided: manual, pneumatic, electric, hydraulic, pneumatic hydraulic linkage. The specific model is selected according to the valve torque.

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Material Specifications

Part	Material (ASTM)
1. Body	20#
2a. Connection Pipe	20#
2b. Flange	A105
6a. Butterfly Spring	60si2Mn
6b. Back Plate	A105
7a. Seat Support Ring	A105
7b. Sealing Ring	PTFE+25%C
9a. O-ring	Viton
9b. O-ring	Viton
10. Ball	20#+HCr
11a. Sliding Bearing	20#+PTFE
11b. Sliding Bearing	20#+PTFE
16. Fixed Shaft	A105
17a. O-ring	Viton
17b. O-ring	Viton
22. Stem	2Cr13
26a. O-ring	Viton
26b. O-ring	Viton
35. Handwheel	Assembly
36. Key	45#
39. Elastic Washer	65Mn
40. Hex Head Bolt	A193-B7
45. Hex Screw	A193-B7
51a. Stem Joint	20#
51b. Thread Gland	20#
52a. Fixed Bushing	20#
52b. Cover	20#
54a. O-ring	Viton
54b. O-ring	Viton
57. Connecting Plate	20″

Structure

Fully Welded Fixed Ball Valve For Heating Supply (Full bore type)

Fully Welded Fixed Ball Valve For Heating Supply (Standard bore type)

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Dimensions
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Fully Welded Ball Valve With Flanged Ends (For Heating Supply Only)
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Application
▪ Centralized heating supply: output pipelines, main lines, and branch lines of large-scale heating equipment.

Installation
▪ The welding ends of all steel ball valves adopts electric welding or manual welding. Overheating of the valve chamber shall be avoided. The distance between welding ends shall not be too short to ensure that the heat generated in the welding process will not damage the sealing material.
▪ All valves shall be opened during installation.

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