20′ ′ ANSI #150 Amse B31.4 Serrated Rtj Flange Sandwich Valve

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: 20′′ ANSI Class 150
• Material: Carbon Steel
• Connection: Flange
• Installation Direction: Bi-Directional Installation
• ANSI Class: 150
• Suit for: Lock-O-Ring Flanges
• Flange Face Type: RF Type
• Flange Type: Serrated Face
• Transport Package: Wooden Case
• Specification: 20′′
• Trademark: GREAT WALL
• Origin: China

Product Description

Sandwich Valve 
 

1. Product Introduction: 

SANDWICH Valves are designed for use with Hot Tapping Machine and Plugging machines and fittings with LOCK-O-RING Flanged during hot tapping and plugging operation .

SANDWICH Valves are supplied to match ANSI Class 150, 300, 400 or 600 flanges . 




2. The list of sizes of Sandwich Valve : 
 

S/N	Description	Size		ASME Class	Operation
		inch	mm
1	Sandwich Valve	4''	100	Class 150, 300, 400, 600	Manual
2	Sandwich Valve	6''	150	Class 150, 300, 400, 600	Manual
3	Sandwich Valve	8''	200	Class 150, 300, 400, 600	Manual
4	Sandwich Valve	10''	250	Class 150, 300, 400, 600	Manual
5	Sandwich Valve	12''	300	Class 150, 300, 400, 600	Manual
6	Sandwich Valve	16''	400	Class 150, 300, 400, 600	Manual
7	Sandwich Valve	18''	450	Class 150, 300, 400, 600	Manual
8	Sandwich Valve	20''	500	Class 150, 300, 400, 600	Manual
9	Sandwich Valve	22''	550	Class 150, 300, 400, 600	Manual
10	Sandwich Valve	24''	600	Class 150, 300, 400, 600	Manual/Hydraulic
11	Sandwich Valve	26''	650	Class 150, 300, 400, 600	Manual/Hydraulic
12	Sandwich Valve	30''	750	Class 150, 300, 400, 600	Manual/Hydraulic
13	Sandwich Valve	34''	850	Class 150, 300, 400, 600	Manual/Hydraulic
14	Sandwich Valve	36''	900	Class 150, 300, 400, 600	Manual/Hydraulic
15	Sandwich Valve	40''	1000	Class 150, 300, 400, 600	Manual/Hydraulic
16	Sandwich Valve	42''	1050	Class 150, 300, 400, 600	Manual/Hydraulic

3. Project Cases : 
 

4. Fabricated Fitting for TDW Hot Tap & Line Stop Equipment :