This is a check valve made of either white polypropylene, natural Nylon or black or natural Kynar®. It is available with a Buna-N, EPDM or Viton® seal. It has a 302 stainless steel spring. The cracking pressure is .25 or 1 psi. The maximum pressure is 125 psi and the maximum operating temperature is 140°F. The ports can be single or multi-barbed.
