NITTO TYPE COUPLERS 1/2,3/4 and 1 Horsetail Coupler

Description

Full Description of Nitto (Cupla) Horsetail Couplers (1/2″, 3/4″, 1″)

General Overview:
Nitto (also spelled “NITTO KOHKI”) couplers—commonly referred to as Cupola—are high-quality quick‑connect couplings used primarily for pneumatic applications like compressed air tools. They feature one‑hand, push‑to‑connect operation, built-in automatic valve shut-off, excellent durability, and high interchangeability with similar Japanese-style series such as Rectus, CEJN 315, and others.

Specifications for Horsetail (Hose‑Tail) Sizes

These couplers that transition from hose barb (tail) to socket are part of the PVR series for larger hoses or high‑flow applications. The sizes available include:

• PVR‑400PH – 1/2″ BSP, hose barb for 12 mm hose

• PVR‑600PH – 3/4″ BSP, hose barb for 20 mm hose

• PVR‑800PH – 1″ BSP, hose barb for 25 mm hose

They correspond with sockets in the PVR series:

• PVR‑400SH – 1/2″ hose tail socket

• PVR‑600SH – 3/4″ hose tail socket

• PVR‑800SH – 1″ hose tail socket