OPERATION AND MAINTENANCE MANUAL
01-2016
7
PN-EN 1092-2: 1999
Flanges and their connections. Circular flanges for pipes, fittings, couplers
and accessories with PN designation. Cast iron flanges.
PN-EN 1561: 2012
Founding. Grey cast iron.
PN-EN 1563: 2012
Founding. Ductile cast iron.
PN-EN ISO 12944-5: 2001
Paints and varnishes. Corrosion protection of steel structures by protective
paint systems. Protective paint systems.
2.5 ORDERING REGULATIONS
Water supply system fittings are specific purpose industrial fittings, therefore orders must include:
- catalogue number,
- intended use, e.g. for water supply systems,
furthermore:
- nominal diameter – acc. to PN-EN ISO 6708: 1998
- nominal pressure – acc. to PN-89/H – 02650
- body material type – acc. to PN-EN 1563: 2012
- max. operating temperature – acc. to PN-89/H – 02650.
2.6 MANUFACTURE AND ACCEPTANCE
The double flange bend with the N foot of type 9202, T-pieces of type 9203 and X-pieces of type 9218 TT
are accepted and produced in accordance with PN-EN 1074-1:2002 (Water supply system fittings. Functional
requirements and verification tests. General requirements) and PN-EN 12266-1:2007 (Industrial valves. Testing
of metallic valves). All fittings are tested for tightness (100%). Such tests include external unit tightness while
delivered.
2.7 MARKINGS
The marking of bends of type 9202, T-pieces of type 9203 and X-pieces of type 9218 TT is governed by the
following standards: PN-EN-19: 2005 and PN-EN-1074-1: 2002.
Bodies of bends of type 9202, T-pieces of type 9203 and X-pieces of type 9218 TT feature markings on
labels, stuck on walls of body necks. The markings contain the following data:
- coupler type (acc. to the product catalogue number /TYPE/)
- nominal diameter
- nominal pressure
- body material type
- manufacturer's trademark
and identification mark: (e.g. series no.)
3 PROTECTION, STORAGE & TRANSPORT
3.1 PROTECTIVE COATINGS
All internal and external cast iron surfaces are secured with epoxy paint applied electrostatically. The paint is
approved for contact with food products.
The anti-corrosion coat layer thickness is min. 250
µ
m.
The casting surface is pre-treated for epoxy coating in accordance with the relevant technical documentation and
PN-EN ISO 12944-5:2001.
3.2 PACKAGING
Bends of type 9202, T-pieces of type 9203 and X-pieces of type 9218 TT are packaged on EURO pallets
(1200x800) and secured with stretch foil.
3.3 STORAGE
