Differential Pressure Devices Threaded Deltadyne® Differential Pressure Indicators and Switches product photo Primary L

Differential Pressure Devices Threaded Deltadyne® Differential Pressure Indicators and Switches

Operation
Deltadyne® differential pressure devices operate by sensing the differential pressure between ports upstream and downstream of the filter element. The differential pressure acts on a piston/magnet assembly that is contained in the Deltadyne device. When the differential pressure across the internal piston/magnet assembly reaches a preset value, determined by the range spring, the piston assembly moves downward sufficiently to reduce the attractive force between the magnet and indicator button or switch actuator lever. The indicator or switch spring then overcomes the reduced magnetic force to release the button or actuate the switch to signal the need for element change.

A magnet coupling isolates the pressurized fluid from the electrical or mechanical actuator. This eliminates dynamic seals and exposed cams, thus avoiding a leakage point common to other types of warning devices, particularly those which are connected to the bypass valve. Deltadyne devices respond only to differential pressures; they can withstand system pressures up to the design limit of 6000 psi (414 bar).

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Description
Operation
Deltadyne® differential pressure devices operate by sensing the differential pressure between ports upstream and downstream of the filter element. The differential pressure acts on a piston/magnet assembly that is contained in the Deltadyne device. When the differential pressure across the internal piston/magnet assembly reaches a preset value, determined by the range spring, the piston assembly moves downward sufficiently to reduce the attractive force between the magnet and indicator button or switch actuator lever. The indicator or switch spring then overcomes the reduced magnetic force to release the button or actuate the switch to signal the need for element change.

A magnet coupling isolates the pressurized fluid from the electrical or mechanical actuator. This eliminates dynamic seals and exposed cams, thus avoiding a leakage point common to other types of warning devices, particularly those which are connected to the bypass valve. Deltadyne devices respond only to differential pressures; they can withstand system pressures up to the design limit of 6000 psi (414 bar).

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Applications

Maximum Acceptable Working Pressure:

6000 psi (414 bar)

Temperature Range:

-45®F to 275®F (-43®C to 135®C)

Rated Fatigue Pressure

107 cycles per NFPAT.2.6.1-1974:
3000 psi (207 bar)

Seals:

Internal: Fluorocarbon
External: Nitrile or Fluorocarbon

Housing Material:

Aluminum (Stainless Steel or Other Materials Available)

Electrical Switch Ratings:

4 amp @ 110 VAC, 28 VDC (resistive)
2 amp @ 110 VAC, 28 VDC (inductive)
SPDT, automatic reset

Electrical Switch Circuit:


Installation:

Deltadyne switches and indicators fit Pall housings that have a threaded differential pressure port. A mounting block is available for remote installation.
Specifications

Maximum Acceptable Working Pressure:

6000 psi (414 bar)

Temperature Range:

-45®F to 275®F (-43®C to 135®C)

Rated Fatigue Pressure

107 cycles per NF PAT.2.6.1-1974:
3000 psi (207 bar)

Seals:

Internal: Fluorocarbon
External: Nitrile or Fluorocarbon

Housing Material:

Aluminum (Stainless Steel or Other Materials Available)

Electrical Switch Ratings:

4 amp @ 110 VAC, 28 VDC (resistive)
2 amp @ 110 VAC, 28 VDC (inductive)
SPDT, automatic reset

Electrical Switch Circuit:



Installation:

Deltadyne switches and indicators fit Pall housings that have a threaded differential pressure port. A mounting block is available for remote installation.


Product Options

Deltadyne Switches and Indicators

Electrical Switches

Deltadyne electrical switches have an automatic reset function that allows them to be used as system warm-up monitors. High fluid viscosity associated with low temperature start-ups will cause a higher pressure drop across the filter element. Deltadyne switches will signal high differential pressure until the system reaches operating temperature. As the system warms up, the differential pressure is reduced, and the range spring returns the piston assembly to its normal position, thus restoring the magnetic force between the magnet and the actuator lever. The restored magnetic force is sufficient to overcome the switch spring force, allowing the single pole double throw switch (SPDT) to signal a differential pressure below the switch setting.

Single Pole Double Throw Switch:

The SPDT switch allows this device to be used in a typical green-red light circuit. When the green light signals pressure drop below the actuation pressure, there is element life remaining. The red light signals pressure drop above the preset value... either a cold start or the need for an element change. The two-light circuit also serves as a continuity check; one of the two lights should always be on.

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Visual Indicators

Memory:

All Deltadyne visual indicators show whether a preset differential pressure has been exceeded at any time ® even after the system is shut down. When the factory-set differential pressure is exceeded, the red button pops up and stays up until it is manually reset. When the differential pressure is reduced, the range spring returns the piston assembly to its normal position; however, the gap between the magnet and the now extended indicator button is too great for magnetic force to overcome the button spring force. The button, therefore, remains in the extended position until differential pressure is reduced and the button is manually reset.

Thermal Lockout:

An optional bimetallic thermal lockout prevents actuation below 32®F and allows actuation above 80®F system temperature. Between 32®F and 80®F the thermal lockout device is in transition. Above 80®F the indicator will actuate when the element is plugged and the differential pressure exceeds the pre-set limit.
Type
Testing and Monitoring Equipment
Use
Testing, Monitoring, Diagnostics
Ordering Information

RC

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Table1
Code A
Table2
Table3
Table4
Table1
Code B

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Note: Choose from the options in the following tables to compile®the specific Product Number.

Table 1
Code ACode BDescriptionFilter Assembly Part Number Code"H" DimensionPhoto Reference Number
778NZ Omit Aluminum threaded visual indicator with memory and thermal lockout P 0.9" (23 mm) 2
860MZ Omit Aluminum threaded visual indicator with memory® without thermal lockout D 0.9" (23 mm) 2
861CZ Omit Aluminum threaded switch with 6" flying leads L 1.72" (44 mm) 4
771BZ Omit Aluminum threaded switch with 3-pin military electric connector S 2.25" (57 mm) 6
861CZ YT Aluminum threaded switch with DIN (Hirshman) 4-pin connector T 3.75" (95 mm) 5
861CZ YM Aluminum threaded switch with DIN (Hirshman) 4-pin connector and matching connector cap M 3.75" (95 mm) 7
861CZ YR110AC Aluminum threaded switch with DIN (Hirshman) 4-pin connector, matching connector cap and 110 VAC indicator lights R11A 4.37" (111 mm) 1
861CZ YR220AC Aluminum threaded switch with DIN (Hirshman) 4-pin connector, matching connector cap and 220 VAC indicator lights R22A 4.37" (111 mm) 1
861CZ YR24DC Aluminum threaded switch with DIN (Hirshman) 4-pin connector, matching connector cap and 24 VDC indicator lights R24D 4.37" (111 mm) 1
0113CZ Omit Aluminum threaded body with both visual and electrical switch with DIN (Hirshman) connector and a connector cap (manual reset) V 2.7" (69 mm) 3

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TABLE 2
CODE
Differential Pressure Setting
Bypass Valve Setting
084
16®3 psid (1.1®0.2 bar)
22 or 25 psid (1.5 or 1.7 bar)
090
35®5 psid (2.4®0.3 bar)
50 psid (3.5 bar)
097
100®15 psid (7.0®1.0 bar)
Non-bypass
TABLE 3
CODE
External Seal
Fluid Service

H
Nitrile
Petroleum, water oil emulsions, water-glycol, HWCF

Z
Fluorocarbon
Specified synthetics

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TABLE 4
CODE
Material Option
Omit
Aluminum
SS
Stainless Steel

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Threaded Filter Accessories
Part NumberDescriptionPhoto Reference Number
1128465 Port plug kit®Buna (®B® option) 21
1128466 Port plug kit®Fluorocarbon (®B® option) 21
1326139 Dual port 1?4" SAE upstream and downstream adapter plug®Buna (®F® option) 25
1326140 Dual port 1?4" SAE upstream and downstream adapter plug®Fluorocarbon (®F® option) 25
1326193 Dual indicator adapter plug®Buna 23
1326194 Dual indicator adapter plug®Fluorocarbon 23
1129754 Gauge adapter plug kit plug®Buna 20
1313883 Gauge adapter plug kit plug®Fluorocarbon 20
1326191 Indicator remote mounting block 24
1196634 ®Y® block fluid sampling kit 22


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Flanged Indicators Plastic Visuals
Part NumberPressure SettingDescriptionFilter Assembly Part Number Code"H" DimensionPhoto Reference Number
H (H) 8630DL-16 16 psid (1.1 bar) Plastic flanged visual indicator with memory and no thermal lockout DL 0.9"
(23 mm)
12
H (H) 8630DL-35 35 psid (2.5 bar) Plastic flanged visual indicator with memory and no thermal lockout DL 0.9"
(23 mm)
12
H (H) 8630PL-16 16 psid (1.1 bar) Plastic flanged visual indicator with memory and thermal lockout PL 0.9"
(23 mm)
12
H (H) 8630PL-35 35 psid (2.5 bar) Plastic flanged visual indicator with memory and thermal lockout PL 0.9"
(23 mm)
12

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Aluminum Visuals

Part NumberPressure SettingDescriptionFilter Assembly Part Number Code"H" DimensionPhoto Reference Number
H (H) 7001DM-16 16 psid (1.1 bar) Aluminum flanged visual indicator with no thermal lockout DM 0.9"
(23 mm)
9
H (H) 7001DM-35 35 psid (2.5 bar) Aluminum flanged visual indicator with memory and no thermal lockout DM 0.9"
(23 mm)
9
H (H) 7001PM-16 16 psid (1.1 bar) Aluminum flanged visual indicator with memory and thermal lockout PM 0.9"
(23 mm)
9
H (H) 7001PM-35 35 psid (2.5 bar) Aluminum flanged visual indicator with memory and thermal lockout PM 0.9"
(23 mm)
9


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Aluminum Switches
Part NumberPressure SettingDescriptionFilter Assembly Part Number Code"H" DimensionPhoto Reference Number
H (H) 8630LL-16 16 psid (1.1 bar) Aluminum flanged switch with 3 wire leads and 1?2 inch NPT conduit connection LL 1.72"
(44 mm)
10
H (H) 8630LL-35 35 psid (2.5 bar) Aluminum flanged switch with 3 wire leads and 1?2 inch NPT conduit connection LL 1.72"
(44 mm)
10
H (H) 8630SL-16 16 psid (1.1 bar) Aluminum flanged switch with 3-pin military electrical connector SL 2.25"
(57 mm)
13
H (H) 8630SL-35 35 psid (2.5 bar) Aluminum flanged switch with 3-pin military electrical connector SL 2.25"
(57 mm)
13
H (H) 8630TL-16 16 psid (1.1 bar) Aluminum flanged switch with DIN (Hirshman) 4-pin connector TL 3.75"
(95 mm)
8
H (H) 8630TL-35 35 psid (2.5 bar) Aluminum flanged switch with DIN (Hirshman) 4-pin connector TL 3.75"
(95 mm)
8
H (H) 8630ML-16 16 psid (1.1 bar) Aluminum flanged switch with DIN (Hirshman) 4-pin connector and matching cap ML 3.75"
(95 mm)
11
H (H) 8630ML-35 35 psid (2.5 bar) Aluminum flanged switch with DIN (Hirshman) 4-pin connector and matching cap ML 3.75"
(95 mm)
11

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Flanged Filter Accessories
Part NumberDescriptionPhoto Reference Number
1303068 Port plug kit®Buna (®BL® option) 14
1303069 Port plug kit®Fluorocarbon (®BL® option) 14
1303665 Dual port 1?4" SAE upstream and downstream adapter plug®Buna (®FL® option) 19
1308337 Dual indicator adapter plug®Buna 17
1313999 Dual indicator adapter plug®Fluorocarbon 17
1305244 Gauge adapter plug kit-Buna 16
1305245 Gauge adapter plug kit-Fluorocarbon 16
1310814 Indicator remote mounting block 18
1325112 Universal fluid sampling kit 15
Application
Auto LOH for Stamping, Auto LOH-Filling Lines, Mining Equipment Gear Case, Mining Equipment Hydraulic Fluid, Mining Euqipment Lube Oil - on & off board, Heavy Hydraulic, Heavy Lubrication, Medium & Light Hydraulic, Medium & Light Lubrication, Coolants / Bearing Lubrication, Drives Gear Box + Roll Housing, Forging / Extrusion, Gear Box / Bearing, Gear Box / Morgoil, Material Directional Control, Material Handling, Non Contact, Medium & Light Hydraulic, Medium & Light Lubrication