Shijiazhuang Dongli Petroleum Machinery (DLSY) supplies replacement parts for the Oteco 3-inch RRV relief safety valve, with 38 distinct items on file. The range covers the top crank pin 142200, lower link 142402, link pin 142403, upper link/bearing assembly 142404, crank pivot pin 142405, spiral springs 142406, crank bearings 142422 and bonnet bearings 142424. Set-pressure and performance data for this valve are available on request.
FAQ
Which parts does DLSY supply for the Oteco 3-inch RRV?
We supply 38 distinct items covering the valve linkage and bearing set: top crank pin 142200, lower link 142402, link pin 142403, upper link/bearing assembly 142404, crank pivot pin 142405, spiral springs 142406, crank and bonnet bearings 142422-142425, and spiral pins.
Can you supply Oteco part number 142404?
Yes. 142404 is the upper link/bearing assembly for the 3-inch RRV, and it is part of our regular catalogue range along with the matching pins and bearings.
What set pressures does the 3-inch RRV cover?
We do not publish factory set-pressure or performance figures for this valve. Ratings are available on request; tell us your pump and manifold arrangement and we will confirm suitability.
Do you export Oteco valve parts to North America?
Yes. DLSY ships under HS code 84139100 to Canada, the United States and other international oil and gas markets.
How do I identify the correct pin or bearing for my valve?
Send us the Oteco part number or a photo of the worn item. Spiral pins are catalogued in listed sizes such as 1/8 x 5/8 in (142432) and 1/8 x 7/8 in (142433), and we will confirm the exact match.