Call us today:

Double Door Check Valves

SKU: CV Categories: Butterfly Valves, Check Valves, and Accessories, Valves

Protect against flow reversal with Double-Door Check Valves. These check valves are manufactured with lightweight disks and quick, responsive springs for automatic closure for top performance. Find a range of dimensions, in working pressure ratings of up to 200psi and a range of temperature ratings. Additional seat material options are available upon request.

Downloads:

Size

Disc Material

Clear

Add to Quote

Product Details

Related Products

Dimensions

Features

Small, lightweight, and easy to maintain.
Two torsion springs close valve plates quickly and automatically.
Quick spring action prevents back-flow, eliminates water hammering, and provides minimal head loss.
Double-Door Check Valves can be installed vertically or horizontally.
Applications include HVAC, compressed air; Water supply and discharge; Irrigation and reclaim water; Process water.

Dimensions: Double Door Check Valves

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED

API Part Number	Nominal Size	B	ØE	ØA	Approximate Weight lbs
CV0200-XXXX-EP	2	1.69	2.56	4.02	3.3
CV0250-XXXX-EP	2.5	1.81	3.15	4.76	5.3
CV0300-XXXX-EP	3	2.52	3.70	5.24	7.9
CV0400-XXXX-EP	4	2.52	4.61	6.73	12.6
CV0500-XXXX-EP	5	2.76	5.71	7.60	16.1
CV0600-XXXX-EP	6	2.99	6.73	8.62	19.8
CV0800-XXXX-EP	8	3.50	8.82	10.87	37.5
CV1000-XXXX-EP	10	4.49	10.43	13.23	57.3
CV1200-XXXX-EP	12	4.49	12.20	15.98	92.6
CV1400-XXXX-EP	14	5.00	14.17	17.64	121.3
CV1600-XXXX-EP	16	5.51	16.14	20.12	165.3
CV1800-XXXX-EP	18	5.98	17.87	21.50	225.0
CV2000-XXXX-EP	20	5.98	19.88	23.74	236.0
CV2400-XXXX-EP	24	7.01	24.61	28.11	365.0

Part Number Structure

Part Number Section	Options
Type	CV = Check Valve
Size	XXXX = Size in inches going out 2 decimal places
Disc Material *Denoted with “XXXX”	NPDI = Nickel Plated Ductile Iron 304 = 304 Stainless Steel
Seat Material	EP = EPDM

Operating Conditions

Nominal Size		2″-18″	20″-24″
Operating Pressure		200 psi	150 psi
Test Pressure	Shell	300 psi	225 psi
	Seat	220 psi	168 psi
Working Temperature	EPDM Seat	10°-250° F	10°-250° F

Materials

Part	Material
Body	Cast Iron – ASTM A126 Cl. B
Disc	Nickel Plated Ductile Iron OR 304 Stainless Steel
Hinge Pin	Stainless Steel
Stop Pin	Stainless Steel
Spring	Stainless Steel
Seat	EPDM
Finish	Epoxy Coated – Blue