Single Plate Check Valves Manufacturer

“KELOR” Single Plate Check Valves are general-purpose check valves designed to protect gas and liquid piping systems.These valves are made according to API 594 standards and are suitable for pipelines up to 600 NB.They offer excellent performance and reliable operation, along with cost savings in both installation and maintenance.This makes them a better choice compared to traditional swing check valves or other types of check valves.These valves are intended to be installed between two flanges.If needed, they can be inspected by third-party inspectors.

“KELOR” Single Plate Check Valves are available in various materials such as Cast Iron, Mild Steel, SS 304, SS 316, Aluminum Bronze, and Carbon Steel. These materials comply with ASTM-A-216 Grade WCB for Cast Steel and ASTM-A-351 Grade CF8M for Stainless Steel.The valves come in sizes ranging from 25 NB/MM up to 600 MM/NB.

Body and Disc Materials:

• Cast Iron: I.S.
  210 FG 200
• Cast Steel: ASTM/A-216 Grade WCB
• Cast Stainless Steels: CF8 & CF8M
• Stainless Steels: AISI 304 & 316
• Aluminum Bronze: A-20
• Hastelloy ‘C’ & Alloy Steel

Seat and Body ‘O’ Rings:

• Nitrile
• EPDM
• Viton
• Silicone
• PTFE
• Other materials can be provided upon special request.

MANUFACTURING REFERENCE STANDARDS
Design	API 594
Ends	Wafer Type
Testing	API 598

Key Features & Advantages

• Spring-Assisted Options: Available with or without a spring return mechanism for rapid, non-slam closure.
• Optimized Flow Dynamics: Engineered for a wide opening angle, minimizing pressure drop and ensuring maximum flow efficiency.
• Low Maintenance: Simple, robust construction with fewer moving parts translates to extended service life and reduced downtime.
• Space-Saving Design: Compact wafer-style body fits seamlessly into tight pipeline spaces.

DIMENSIONS
SIZE		A (Inner Bore)	B (Plate Thickness)	C (Outer Diameter)
MM	INCH			PN-10	PN-16	BS-10D	BS-10E	ANSI 150#
25	1”	14	16	72	72	69	69	64
40	1.1/2”	22	19	93	93	86	86	86
50	2”	30	19	108	108	97	97	104
65	2.1/2”	40	19	128	128	110	110	123
80	3”	52	19	143	143	129	129	136
100	4”	71	19	163	163	161	161	174
125	5”	93	19	193	193	193	193	196
150	6”	114	19	219	219	218	215	221
200	8”	157	28	274	274	274	272	278
250	10”	195	28	329	329	335	335	339
300	12”	230	38	379	385	385	383	409
350	14”	270	44	438	444	446	446	449
400	16”	310	51	489	496	496	496	512
450	18”	360	60	538	555	559	559	545
500	20”	406	63	593	696	616	616	605
600	24”	490	70	695	799	727	724	714

– Please Refer To KELOR
– Technical Improvements of Single Plate Check Valve and alterations reserved by KELOR.