1.Manual valve is for opening and closing comperssed air
2.when three way valve is closed, it drains away residual gas.
3.various of models and intalling type can be chosen

Trademark:  NBPT OR OEM
Model: PH
Origin:  China
Packing: Plastic Bag+Small Box+Big Cardboard Box+Box pallet
Min. Order:  2000pcs
Transportation:By Sea
Southern Asian,Middle East,Africa,Southern American.Europe
Delivery date:20 Days
payment:T/T
price term:FOB Ningbo
Certification:ISO9001
You can skype me :Kenfeng2008