Diaphragm Seal - Pulp and Paper Seals
SKU DSPP
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Pulp and Paper Seals
DSPP Series Pulp and Paper Diaphragm Seals are designed to withstand the harsh and highly viscous process media associated with the Paper and Pulp manufacturing process. Reotemp offers three styles that can be purchased with weld spuds, for new applications, or as replacements designed to fit into existing industry standard process fittings.
Specifications
Construction Materials
Diaphragm: 316SS/316L, Hast C-276 Lower Housing: 316SS/316L, Hast C-276, Monel, or others Gasket: Viton (Style S1 and S2 Only), Klinger (Style TH Only) Upper Housing: 316L /316 SS
Process Temperature Limits
| Metallic Lower | S1 | S2 | TH | |
| Viton Gasket | -15/400ºF | -15/400ºF | -15/400ºF | |
| Klinger Gasket | -110/400ºF | -110/500ºF | -110/400ºF |
Ambient Temperature Limits
Determined by the Pressure Instrument
Minimum Recommended Span
| S1 | S2 | |
| 2.5” & 3.5” Gauges | 15 psi | 30 psi |
| 4”, 4.5”, & 6” Gauges | N/A | 100 psi |
| Transmitter (Gauge Pressure) | 15 psi | 15 psi |
| Transmitter (Differential Pressure) | N/A | N/A |
| Differential Pressure Gauge (D40/42 Only) | N/A | N/A |
Weight
| Note: Weights are Approximate | Metallic Lower |
| S1 | 2.3lbs |
| S2 | 3.5lbs |
| TH | 3.7lbs |
Maximum Working Pressure at 100°F
| S1 | 300 psi |
| S2 | 300 psi |
| TH | 600 psi |