Panam Engineers Pvt. Ltd. Offers Pipe to Pipe 2 Valve Manifolds, R type. Panam Engineers Pvt. Ltd. Is an ISO 9001:2000 certified company. The Pipe to Pipe 2 Valve Manifolds are useful for separate mounting. Its connecting system features transmitters and impulse lines. It also has simple two valve configuration allowing easy block, bleed and calibration of a static pressure transmitter or gauge.