Item # 253B-3PP, 200 Series Check Valves 0 to 3000 psig On Circle Valve Technologies Inc.

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Features & Benefits

Quick opening/positive closing
Provides a wide range of adaptability
Large flow capacity
The patented sealing principle effects complete leakproof closing under all pressure conditions
Zero leakage
Compact, easy installation. Efficient inline piston reduces size and weight

Note:
Other o'ring materials are available,
Crack pressures (up to 25 psi),
Other end connections are available.

Unit of Measure

Specifications | Leakage & Operating Pressure | Flow Rates | Safety

Specifications

Series	N/A 200
Body Material	N/A Brass
O-Ring Material	N/A Neoprene
Connection Size	N/A 3/8 in
End Connections (Inlet/Outlet)	N/A Female NPT
Operating Pressure	N/A 0 to 3000 psig
Cracking Pressure	N/A 0.5 to 1 psig
Available Cracking Pressures	N/A 0.1 to 25 psi
Operating Temperature	N/A -40 to 250 ºF
Flow Coefficient (Cv)	N/A 3.50
Spring Material	N/A 302 Stainless Steel
Proof Pressure	N/A 4500 psig
Rated Burst Pressure	N/A 7500 psig
Dim. A	N/A 2.43 in
Dim. B	N/A 1.12 in
Dim. E	N/A 0.15 in
Weight	N/A .43 lbs
Optional Body Material	N/A 2024–T4/T351 aluminum 303 stainless steel 316 Stainless Steel Brass Carbon steel
Optional End Connections	N/A B - Female Tube, AND10050 C - Gyrolok® Tube Fittings K - British Parallel Pipe (Male) L - British parallel pipe (female) S - British Taper Pipe (Male) T - Male tube, AS4395 (MS33656) X - British Taper Pipe (Female)

Leakage & Operating Pressure

N/A Leakage

External:- Zero
Internal:-
Elastomeric seals:- Zero
Teflon® seals:-
- 0-50 psig = 5cc/min. max.
- 50+ psig = 0.5cc/min. max.

Operating Pressure:

Aluminum (A)	Tube	3/16" - 1 1/2"	0 - 3000 psig to 200° F
Aluminum (A)	Pipe	1/8" - 1 1/2"	0 - 3000 psig to 200° F
Brass	Tube	3/16" - 1 1/2"	0 - 3000 psig to 200° F
	Pipe	1/8" - 1 1/2"	0 - 3000 psig to 200° F
	Pipe	2"	0 - 1500 psig to 300° F
Steel	Tube	3/16" - 1 1/2"	0 - 3000 psig to 200° F
Steel	Pipe	1/8" - 1 1/2"	0 - 3000 psig to 200° F
Stainless steel	Tube	3/16" - 1 1/2"	0 - 3000 psig to 200° F
Stainless steel	Pipe	1/8" - 2"	0 - 3000 psig to 200° F

Flow Rates

N/A

Valve Size	Tube	3	4	6	8	10	12	16	20	24	32
Valve Size	Pipe			1	2	3	4	6	8	10-12	16
Cv (nominal)		0.30	0.7	1.6	2.7	3.5	6.6	10.3	12.5	23.2	51

Safety

N/A For Your Safety
It is solely the responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material compatibility, product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or property damage.