Top Entry

model A31

Top Entry Ball Valves can be supplied as forged or cast body and bonnet, size ranging from 1/2” to 56” for API 6D and from 1.13/16” to 13.5/8” for API 6A, covering ANSI classes from 150 to 4500 lbs and API 6A classes from 3000 to 20000 psi.

Top Entry ball valves allow in line maintenance, this representing a remarkable time and cost saving for the end user during regular or extraordinary maintenance.

Seat sealing is available both in soft and metal to metal type. Bidirectional SPE DIB1 and DIB2 can be offered, according to specific use. Operated by gear box or hydraulic/electric/pneumatic actuator. Ends supplied: RF, RTJ, CF, BW, BW+Pups, HUB. FEA upon request.

Our Top Entry valve design is 100% in house engineered and SIL2 or SIL3 qualified depending on whether the operator is partial stroke function actuator or not. We can also design and supply special tools dedicated for maintenance services.

Our valves can be designed for cryogenic service. 

Materials Available

Low Alloy, CS, LTCS, SS, Super Duplex SS, 6MO, Inconel, Incoloy, Hastelloy, Monel, Titanium.

Internal Corrosion Resistant Alloy Welded Overlays are provided on Sealing Areas or on All Wetted Parts upon request on CS, LTCS and Low Alloy valves

Applicable Standards

Design: API 6D – API 6A – API 6DSS – ASME B16.34 – ASME VIII div. 2

Fire testing: ISO 10497

Compact Flanges: Norsok Standard SL-005

PED: 2014/68/UE

NACE MR 0175 – ISO 15156-3