Trio Triple Offset Valves

DelVal Flow Controls provides a wide range of superior quality ball valves, butterfly valves, actuators and control accessories by implementing a robust quality management system compliant to ISO 9001-2015 and cultivating a knowledgeable staff.
Our products are fully integrated and cater to a wide spectrum of applications including Oil & Gas, Power Generation, Mining, Chemical Process, Marine, Pharmaceutical, Food & Beverage, Water and other industrial markets. Our global network of offices, distributors, channel partners and highly experienced sales and service staff are always ready to meet our customers’ most stringent requirements.

Series 4 TriO Triple Offset

Description:
Default firesafe design and NACE versions available.

Body Type:
Wafer, Lug, Double Flanged, Buttweld

Body:
CS, SS

Disc:
WCB, CF8M, CF8

Stem:
316 SS, 410 SS, 17-4 PH, XM-19

Seat:
Stellite Gr.21

Seal Ring:
S31803+Graphite, XM 19+Graphite, Inconel 625+Graphite, Solid Metal Seat

Size Range:
Series 4A, 4B, 4C, 4W – 3″ to 48“ (DN 80 to 1200)

Series 4D, 4E, 4F, 4Y, 4G, 4H, 4J, 4K – 3″ to 24“ (DN 80 to 600)

Pressure Rating:
Series 4A, 4B, 4C, 4W – Class 150

Series 4D, 4E, 4F, 4Y – Class 300

Series 4G, 4H, 4J, 4K – Class 600

Design Standard:
API 609 Category B, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

ISO 5211 top plate for direct mounting of a wide range of actuators and gears
Seal ring retainer, made of identical metal as the disc, clamps and combines the seal ring rigidly on the disc face into a robust, composite unit
Standard hard faced Stellite seat integral to body
Robust single piece stem
Live-loaded stem seal system by a set of Belleville springs. Rocker shaped gland bridge compensates for uneven adjustment of gland bolts
SS316+Nitriding bearings with graphite rings designed to take high radial and axial stem loads, and for ingress protection
One piece body
Replaceable laminated seal ring is located on the disc, precision machined for bi-directional sealing

Brochures:

1731598290-Technical-Bulletin—435—End-Flange-Bolting—Triple-Offset-Valves_R4

1741962336-Series-4_Metric-2024-1

1741962368-Series-4_Imperial-2024-1

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