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About product and suppliers:
        Alibaba.com offers 1,421 psi regulator products. About 31% of these are pressure regulators, 5% are pneumatic parts, and 1% are other swimming & diving products. 

A wide variety of psi regulator options are available to you, such as plastic, metal, and stainless steel. You can also choose from source treatment unit, bar accessories, and other watering & irrigation. As well as from plant growth regulator, herbicide, and biological pesticide. And whether psi regulator is liquid, or powder. 

There are 1,421 psi regulator suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of psi regulator respectively. 

Psi regulator products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 492 with ISO9001, 108 with Other, and 28 with ISO14001 certification.