THREAD CAPTIVE DIMENSIONS PART NO. E E A L S1 4B-02WD G1/8"X28 WD-B02 8 15.5 14 4B-04WD G1/4"X19 WD-B04 12 19.6 19 4B-06WD G3/8"X19 WD-B06 12 22.5 22 4B-08WD G1/2"X14 WD-B08 14 25 27 4B-12WD G3/4"X14 WD-B12 16 29 32 4B-16WD G1"X11 WD-B16 18 35 41 4B-20WD G1.1/4"X11 WD-B20 20 37 50 4B-24WD G1.1/2"X11 WD-B24 22 40 55 4B-32WD G2"X11 WD-B32 20 41 75
PEHEL | BSP Male Captive Seal Plug, Hydraulic Threaded Plug with Captive Seal
PEHEL Hydraulic Model: 4B-WD
QTY:
Type: BSP Male Captive Seal Plug
Thread: BSPP (parallel) male
Sealing: Captive seal (fixed sealing washer)
Material: Carbon steel
Brand: PEHEL, OEM
Surface Treatment: Zinc‑plated
About the item:
1.BSP male captive seal plug designed for sealing BSPP (parallel) threaded ports, featuring a fixed captive seal washer that remains retained on the thread root.
2.The captive seal provides a reliable metal‑to‑metal or soft‑metal sealing against the port face, eliminating the need for separate sealing components.
3.Manufactured from high‑strength carbon steel with anti‑rust surface treatment for long service life in demanding hydraulic environments.
4.Precision machined threads and captive seal groove ensure consistent sealing performance and simple installation.
5.Widely used as port closure plugs in hydraulic power units, valve manifolds, and test points where a retained seal is preferred.
