American Market

Specialty Valve Manufacturers

Zhejiang Longda Water Technologies Co.,Lt, established in 1993. Professional China Specialty Valve Manufacturers and brass Specialty Valve factory. Longda Specialty Valve are mainly apply to the field of the controlling system for the Hot/Cold water , heating, gas and chemical etc. The products are mainly exported to West European Countries, U.S.A, South America and African countries. We have about 220 employees including more than 50 powerful technical force. We also OEM/ODM. Bulk order Specialty Valve from our Factory and get cheap price. All valves perform well particular in US Market.

ART.743 Balancing Ball Valve w/Strainer

ART.743 Balancing Ball Valve w/Strainer

Size	Fixed End Type(outlet)	Union Tailpiece End Type (intlet)
1/2"(15)	S,F,M	S,F,M
3/4"(20)	S,F,M	S,F,M
1"(25)	S,F,M	S,F,M
11/4"(32)	S,F,M	S,F,M
11/2"(40)	S,F,M	S,F,M
11/2"(40)	S,F,M	S,F,M
2"(50)	S,F,M	S,F,M

Brass Balancing Combination Valve :
Application:heating and Cooling Systems----Hydronic Balancing Functions:Automatic Balancing,measurements,and shut-off Body:DZR Brass Flow Cartridge:Series 300 Stainless Steel Wear Surfaces with Stainless Steel Spring Accuracy:±5% Pressure Rating:400 psig at 250℉（27 Bar at 120℃） Pressure range:2-32 psi or 5-60 psi. Sizes:1/2"-2"

Drain Valve for Oil Filled Tranformers-96950

Drain Valve for Oil Filled Tranformers-96950

Sku No.	Size	Descriptions
96950	1/4"NPT& NPS Thread Valve	Teflon Sealing Viton O-ring 100% Individually tested on Pneumatic Testing All models WOG200 tested .
	1/2"NPT& NPS Thread Valve
	1" NPT & NPS Thread Valve
	2" NPT & NPS Thread Valve

Drain Valve for Oil Filled Tranformers-96818

Drain Valve for Oil Filled Tranformers-96818

Sku No.	Size	Descriptions
96818	1" NPT & NPS Thread Valve with Sampler	Teflon Sealing Viton O-ring 100% Individually tested on Pneumatic Testing All models WOG200 tested .
96818	2" NPT & NPS Thread Valve with Sampler

Drain Valve for Oil Filled Tranformers-96860

Drain Valve for Oil Filled Tranformers-96860

Sku No.	Size	Descriptions
96860	1" NPT & NPS Thread Valve with Sampler, Plug and Nipple	Teflon Sealing Viton O-ring 100% Individually tested on Pneumatic Testing All models WOG200 tested .
96860	2" NPT & NPS Thread Valve with Sampler, Plug and Nipple

Drain Valve for Oil Filled Tranformers-13701

Drain Valve for Oil Filled Tranformers-13701

Sku No.	Size	Descriptions
13701	1/2" NPT & NPS Thread Sampler	Teflon Sealing Viton O-ring 100% Individually tested on Pneumatic Testing All models WOG200 tested .
13701	3/8" NPT & NPS Thread Sampler

ART.721 Balancing Ball Valve w/Drain

ART.721 Balancing Ball Valve w/Drain

Size	Fixed End Type(outlet)	Union Tailpiece End Type (intlet)
1/2"(15)	S,F,M	S,F,M
3/4"(20)	S,F,M	S,F,M
1"(25)	S,F,M	S,F,M
11/4"(32)	S,F,M	S,F,M
11/2"(40)	S,F,M	S,F,M
11/2"(40)	S,F,M	S,F,M
2"(50)	S,F,M	S,F,M

Brass Balancing Combination Valve :
Application:heating and Cooling Systems----Hydronic Balancing Functions:Automatic Balancing,measurements,and shut-off Body:DZR Brass Flow Cartridge:Series 300 Stainless Steel Wear Surfaces with Stainless Steel Spring Accuracy:±5% Pressure Rating:400 psig at 250℉（27 Bar at 120℃） Pressure range:2-32 psi or 5-60 psi. Sizes:1/2"-2"