Calobri offers pipe-line Gate valves for the Oil & Gas field services, drilling, pipeline transportation, distribution, and storage. Cast or Fabricated design are either included in our production range up to 48”.
Through Conduit Gate valves are preferred for easy passage of pigs, wipers, and scrapers, for low costs, limited space applications and lower weight for installation.
Trough Conduit valves can be supplied both as per API 6D or API 6A design. Cast or forged design allows the choice of body and trim materials including regular and low temperature materials or any kind of stainless or exotic nickel alloys material.
Soft seated valves with different plastic insert configuration plus o rings can be supplied for -46°C +200°C temperature range while metal seated plus graphite seals for high temperature application up to 400°C. Stringent leakage rate available even for metal to metal design.
Stem seal design includes different solutions such as: Graphite packing API 622 qualified, multi ”V” Packing chevron or bushing with double o-rings. Standard design has single grease injector in the stem sealing area.