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Aggressive cement - cement based on a mixture of solvents

CTS - Copper Tube Size

CPVC - chlorinated polyvinyl chloride

Coefficient Kr - reflects the dependency of the operating pressure on the temperature

Dt - Temperature difference

d - expansion or shrinkage (mm)

FlowGuard Gold - Variation of CPVC; new improved version of FlowGuard.

FLAME SPREAD - parameter responsible for the material`s fire-resistant properties, for instance asbestos - 0, CPVC - 15, PP - 15, wood - 100

Gw - inner thread (socket)

Gz - outer thread

GreenLine - variation of CPVC

IPS - Iron Pipe Size

Kw - internal joining (socket)

Kz - external joining

LO-VOC - low content of volatile substances

LW - internal soldering

LZ - external soldering

LOI - Limitting Oxygen Index - % content of oxygen needed to sustain the burning process: CPVC - 40, PP - 17, cotton - 15

L - length of change in direction (cm)

l - pipe length (m)

PVC - polyvinyl chloride

Primer - cleaning agent for degreasing and initial softening of the two joined surfaces

PP - plastic sliding support

PS - metal fixed support with an internal EPDM insert

SCH 40 - Schedule 40, type of pipe

SCH 80 - Schedule 80, type of pipe

SDR - Standard Dimension Ratio - ration of outer diameter and pipe wall thickness

SMOKE DEVELOPED - smoke generation factor during the burning process, for instance CPVC<50, PP- ca 500

Tz - external temperature (°C)

Tm - assembly temperature

Ti - temperature of the medium being transmitted
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