Spirax Sarco DP143/DP143G/DP143H Cast Steel Body Pilot Type Pressure Reducing Valves

Description

Spirax Sarco DP143, DP143G, DP143H and DP143Y cast steel body pilot-type pressure reducing valves are available in a wide range of models for different systems. DP143 is for use in steam systems; DP143G soft-seat models are for use with compressed air and other industrial gases (not for use with oxygen); DP143H is a high-temperature model for use at temperatures up to 350°C; DP143Y is for use in sterilizers or critical pressure control with a low pressure spring for downstream pressures of 0 2 - 3 0 barg. DP143H is a high temperature model for temperatures up to 350°C; DP143Y is for sterilizers or critical pressure control with a low pressure spring for downstream pressures from 0.2 - 3.0 barg.

Available Models

Available types	SKU
DN15 DP143	0062693
DN20 DP143	0064693
DN25 DP143	0066693
DN32 DP143	0068693
DN40 DP143	0070693
DN50 DP143	0072693
DN80 DP143	0074293

Sizes and pipe connections

Bore sizes are available in DN15LC - low displacement models, DN15, DN20, DN25, DN32, DN40, DN50 and DN80.Standard flanges are available in PN40, BS 10 Table 'J' and ANSI 300, also ANSI 150 and JIS 20 models.

Weight (approximate)

caliber	Weight (kg)
DN15 LC	15
DN15	15
DN20	16
DN25	23
DN32	25
DN40	40
DN50	42
DN80	103

Security information, installation and maintenance

For detailed information, refer to the Installation and Maintenance Guide (IM - P006 - 07) supplied with the product. It is necessary to install the valve in the horizontal piping according to the arrow of the flow direction of the valve, and to install a separator and a filter upstream to protect the pressure reducing valve.

Ordering Instructions

Example: 1 - Spirax Sarco DN32 DP143 pilot-type pressure reducing valve with red spring EN 1092 PN40 flange connection.

How to order

Provide a variety of spare parts, such as the main diaphragm, pilot valve diaphragm, etc., to order spare parts need to specify the caliber and model of the pressure reducing valve, different caliber spare parts have a certain degree of interchangeability.