20′′ ANSI Class 150 Stopple Lock-O-Ring Flange

• Customization: Available
• Standard: ANSI
• Type: Welding Flange
• Model NO.: 20′′ ANSI Class 150
• Material: Carbon Steel
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Casting
• Suit for: Stopple Fitting
• Application: Line Stop
• Pressure Rating: ANSI# 150,300,600,900
• Transport Package: Wooden Case
• Specification: 20′′ ANSI #150
• Trademark: GREAT WALL
• Origin: China

Product Description

1. Product Description: 

LOCK-O-RING Flanges are used as  a means of recovering tapping valves after plugging operation.
They are used in new construction to permit future expansion of a pipeline or a piping system .

Providing a pressure-tight seal over the tapped holes, LOCK-O-RING Flanges eliminated the need for valves 
until such time as valves may be necessary .
For example, fittings with LOCK-O-RING Flanges are installed on the line during construction.
Later, when branch connections are needded, valves can be installed on the fitting and Lock-O-Ring Plugs removed with
hot tapping machine. 
In some cases, Lock-O-Ring Flanges entirely eliminate the need for permanent valves .




2. Product Pictures
 

3. Product Features :

Lock-O-Ring Flanges are drilled and faced to ASME Class 150, 300, or 600 flanges 
Lock-O-Ring Flanged are mounted on Stopple Fitting .
They are also used on reduced branch fittings .

4. List of Sizes :

S/N	Description	Size		Pressure
		inches	mm	ANSI#
1	Lock-O-Ring Flange	4	100	150, 300, 600, 900
2	Lock-O-Ring Flange	6	150	150, 300, 600, 900
3	Lock-O-Ring Flange	8	200	150, 300, 600, 900
4	Lock-O-Ring Flange	10	250	150, 300, 600, 900
5	Lock-O-Ring Flange	12	300	150, 300, 600, 900
6	Lock-O-Ring Flange	14	350	150, 300, 600, 900
7	Lock-O-Ring Flange	16	400	150, 300, 600, 900
8	Lock-O-Ring Flange	18	450	150, 300, 600, 900
9	Lock-O-Ring Flange	20	500	150, 300, 600, 900
10	Lock-O-Ring Flange	22	550	150, 300, 600, 900
11	Lock-O-Ring Flange	24	600	150, 300, 600, 900
12	Lock-O-Ring Flange	26	650	150, 300, 600, 900
13	Lock-O-Ring Flange	28	700	150, 300, 600, 900
14	Lock-O-Ring Flange	30	750	150, 300, 600, 900
15	Lock-O-Ring Flange	34	850	150, 300, 600, 900
16	Lock-O-Ring Flange	36	900	150, 300, 600, 900

5. Project Cases