Technical Advantages

All parts have undergone anti-corrosion surface treatment

The sealing surface of Val and Vale seat is specially treated

Constant pressure can be adjusted as required

product description

Constant pressure valve is a mature product of our company. This product is designed and produced according to API Spec 11D1 "Packer and Bridge Plug" and SY/T 5106 "Downhole Packer".

Product Usage

This product is used for downhole layered water distribution, layered water injection, channeling, chemical water shutoff and acidification operations. The spring of this product has been strictly designed and calculated, and the opening pressure test is carried out before leaving the factory. It can be produced according to user needs. The pressure measurement has been carried out before the product enters the market, and the pressure range can be adjusted according to customer requirements.

Parameter

Use casing specifications: 4 1/2″ 5″ 5 1/2″

Outer diameter of steel body: Φ80mm Φ100mm Φ114mm

Opening pressure: ≥2.5MPa

Closing pressure: ≤1.5MPa

Applicable tubing specifications: 2 3/8″ 2 3/8″, 2 7/8″ 2 7/8″, 3 1/2″