Name: Three-Piece Manual Clamp Ball Valve
Brand: QINFENG
SKU: 00034
Rating: 4.9 (67 reviews)

Product Description

The three-piece manual ball valve features a bolted body design that allows easy disassembly for seat inspection and replacement without removing the valve from the pipeline. The encapsulated seat design eliminates dead spaces where media could accumulate. Available in Tri-Clamp and weld-end configurations compliant with ASME BPE, DIN 11850, and 3A standards. The valve is fully degreased and suitable for liquid cooling circuits using water or glycol mixtures.

Three-Piece Bolted Design

Easy disassembly for on-site maintenance and seat replacement

Encapsulated Seat

No dead spaces, high cleanliness for cooling circuits

Multiple Standards

Available in 3A, DIN, SMS, ISO, and ASME BPE configurations

Degreased

Ready for high-purity coolants and dielectric fluids

Technical Specifications

Nominal pressure	PN10
Temperature range	-40 ℃ to 120 ℃
Connection standard	ASME B16.34-2023
Test standard	GB/T 13927-2022
Applicable media	water, ≤ 50% ethylene glycol/propylene glycol liquid

Overall dimensions

Quick installation, three-piece manual ball valve

	SIZE	L	ΦD	ΦA	H	F
3A	1/2"	90	25.2	9.4	60.5	130
	3/4"	102	25.2	15.8	64.5	130
	1"	114	50.5	22.1	78	170
	1.25"	125	50.5	28.5	87	170
	1.5"	138	50.5	34.8	98	173
	2"	156	64	47.5	107	173
	2.5"	170	77.5	60.2	130	223
	3"	197	91	72.9	153	335
	4"	242	119	97.4	169	335
DIN	DN15	90	34	15	60.5	130
	DN20	102	34	19	64.5	130
	DN25	114	50.5	25	78	170
	DN32	125	50.5	31	87	170
	DN40	138	50.5	37	98	173
	DN50	156	64	49	107	173
	DN65	170	91	66	130	223
	DN80	197	106	81	153	335
	DN100	242	119	100	169	335

Welding a three-piece manual ball valve

SIZE	L	ΦD	ΦA	H	F
DN15	75	19.1	16.1	57.5	90
DN25	90	25.4	22.4	67.5	105

Main part material

Number	Part	Material
1	Ball valve cover	304/316L
2	O-ring	EPDM
3	Valve seat	PTFE
4	Ball core	304/316L
5	Ball valve body	304/316L
6	Bolt	304/316L
7	Flat washer	304/316L
8	Elastic washer	304/316L
9	Hex nut	304/316L
10	Valve stem	304/316L
11	Valve stem gasket	PTFE
12	O-ring	EPDM
13	Filler	PTFE
14	Gland nut	304/316L
15	Elastic washer	304/316L
16	Hex nut	304/316L
17	Welding protective cover (blue)	Plastic
18	Handle	304/316L

The technical specifications of Qinfeng products are for reference only, and there may be slight differences between the actual product appearance and that shown in promotional materials.

Qinfeng reserves the right to update or modify product design and technical information, and will not provide prior notice to customers regarding updates and modifications.

Please contact Qinfeng promptly for detailed specifications and the latest product parameter information.