The Kaiman (Kajman) R-7 double hose regulator was manufactored
from 1969 to 1978 by Precision Engineering Works
- Gdansk in Poland.
Zakład Mechaniki Precyzyjnej (ZMP) - Precision Enginieering Works - Gdańsk - a manufacturer from Poland, among others has produced analytical and technical balance, diving breathing apparatus, knitting machines, magnetic compasses. The plant was founded in 1952 as a "Student" cooperative.
In 1954, the company was moved to Oliwa on street Beniowskiego 5, where the production of highly-valued analytical balances has been launched in Poland and worldwide.
According to Dziennik Bałtycki (local newspaper in Pomerania, Poland), in 1965, 40% of production was exported to 30 countries, which was the only one in Gdańsk plant selected for export production.
They were incorporated as ZMP "Mera-Wag" to unite the producers of mathematical (and later digital) Mera machines.
ZMP "Mera-Wag" was liquidated at the end of 1980, when the license of a prosperous company was sold to the Federal Republic of Germany, creating a Unit of Precision Mechanics "Unitra-Magmor" producing electronics devices (computer printers, reel-to-reel tape recorders licensed by Grundig, cassette tape recorders of their own design, car radio recorders, etc).
Kaiman is a single stage regulator and was
designed by Leszek
Suchy. It has a balanced pressure control system with adjustable
The set was part of a P-22 (2 x 8liter cylinders - 150 Bar)
It is a single stage dowstream regulator. The weight is 650g with DIN
R5/8" and 24mm diameter hoses.
1. Wieslaw Wachowski - www.hds.poland.org
2. Peter Johnson - March 2010