IBR Approved Valves

IBR Check Valve (Horizontal, Screwed) IS 778 Class-1

Name: IBR Check Valve Horizontal Screwed IS 778 Class-1
Brand: Supreme Valves India
SKU: SV-IBR-CHECK-SCREWED
Availability: InStock
Rating: 4.8 (2 reviews)

Premium IBR approved bronze check valve with screwed cover, conforming to IS 778 Class-1 design standard. Features swing type disc with horizontal design for preventing backflow in boiler feed water applications.

Test Pressure (Hydrostatic)

Shell: 1.5 MPa
Seat: 1.0 MPa
Max Working Temp: 200C

IBR Approved

Boiler Feed Water Backflow Prevention

Swing type disc for low pressure drop. IBR documentation provided.

Request Enquiry WhatsApp Download Datasheet

Salient Features

IBR Approved for boiler feed water applications
Screwed Cover for easy maintenance
Swing Type Disc Design
Horizontal Installation Orientation
Design Standard IS 778, Class-1
Low Pressure Drop

Materials of Construction (MOC)

Component	Material Specification
Body & Bonnet	Ductile Iron (ASTM A536 / EN-GJS-400-15)
Stem / Spindle	SS 410 / SS 420
Seat / Trim	EPDM / NBR / Bronze

Technical Specifications

Parameter	Specification / Standard
Manufacturing / Design Standard	EN 1171 / AWWA C509 / BS 5163
Testing Standard	API 598 / EN 12266-1
Pressure Rating	PN16 / PN25

Sizes / Dimensions

Size (Inches)	Size (mm)	A +/-1.5	B ~	OD ~	D
1/2	15	70	85	55	1/2"
3/4	20	75	92	60	3/4"
1	25	85	105	70	1"
1 1/4	32	95	118	80	1 1/4"
1 1/2	40	105	132	90	1 1/2"
2	50	120	155	110	2"
2 1/2	65	135	178	125	2 1/2"
3	80	155	205	145	3"
4	100	180	245	170	4"

~ +/-10

Need a Custom Enquiry?

Contact our technical team for pricing, bulk orders, or custom specifications.

Purchase Options

Add to Cart Request Enquiry WhatsApp

Frequently Asked Questions

What is a swing check valve?

A swing check valve has a disc that swings on a hinge or trunnion, allowing flow in one direction. When flow stops or reverses, the disc closes against the seat to prevent backflow. Swing check valves are commonly used in boiler feed water lines and pumping applications where backflow prevention is essential.

What are the applications of IBR Check Valve?

IBR Check Valves are used in boiler feed water lines, steam distribution systems, and pump discharge lines to prevent backflow. They are IBR approved for use in Indian boiler installations. The swing type design provides low pressure drop and reliable sealing.

What materials are used in IBR Check Valve construction?

IBR Check Valves use Bronze (IS 318 LTB2) for body, cover, disc, and hinge. The swing disc design with integral seat provides reliable sealing. Specific materials ensure corrosion resistance and longevity in boiler feed water applications.

Where can I buy IBR Check Valves in India?

Supreme Valves India supplies IBR approved check valves from Ahmedabad, Gujarat. Available in bronze and cast iron materials with screwed and flanged ends. Complete IBR documentation provided. Export to UAE, Saudi Arabia, Qatar, Oman, Kuwait. Contact: +91 97732 78770.

What is the difference between horizontal and vertical check valves?

Horizontal check valves are installed in horizontal pipelines with the disc swinging on a center pivot. Vertical check valves are installed in vertical pipelines with the disc moving up and down. The horizontal design is more common in boiler feed water applications due to easier maintenance access.