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Emerson Process Management 99 - page 1
T ype 99 D100260X012 Instruction Manual Form 589 April 2008 www .emersonprocess.com/regulators T ype 99 Pressure Reducing Regulators Introduction Scope of the Manual This manual describes and provides instructions and parts lists for T ype 99 pressure reducing regulators complete with standard P590 Series integral lter . However , complete instr ...
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Emerson Process Management 99 - page 2
T ype 99 2 1. The pressure/temperature limits in this Instruction manual and any applicable standard or code limitation should not be exceeded. 2. For stability or overpressure protection, a pilot supply regulator may be installed in the pilot supply tubing between the main valve and pilot. 3. T ype 61LD construction has narrower proportional band ...
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Emerson Process Management 99 - page 3
T ype 99 3 T ype 99 A6469 January 2008 T ype 99 INLET PRESSURE OUTLET PRESSURE LOADING PRESSURE A TMOSPHERIC PRESSURE Principle of Operation The key to the operation of a T ype 99 regulator is the yoked double-diaphragm pilot (letter keys in this section refer to both Figures 2 and 3 unless otherwise noted). Fas t r espo nse and ac cura cy are mad ...
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Emerson Process Management 99 - page 4
T ype 99 4 T ype 99 Regulator with T ype 61HP (extra high pressure) Pilot A2505 January 2008 T ype 99 INLET PRESSURE OUTLET PRESSURE LOADING PRESSURE A TMOSPHERIC PRESSURE through the relief valve body (J) (Figure 4). Since loading pressure needs to exceed outlet pressure only moderately to stroke the main valve fully open, a continued increase in ...
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Emerson Process Management 99 - page 5
T ype 99 5 The monitoring pilot should be upstream of the working monitor regulator . This enables a closer setpoint between the working regulator and the monitoring pilot. Special T ypes 161A YW and 627-109 monitoring pilots with quick-bleed operation have been designed to give faster response to abnormal downstream conditions. T able 4 gives the ...
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Emerson Process Management 99 - page 6
T ype 99 6 Installation ! W ARNING • P er son al i nju ry , eq uip me nt da ma ge , or l ea kag e du e t o es ca pin g ga s o r bursting of pressure-containing parts might result if this regulator i s ove rp re ssu re d or is i ns tal le d wh ere service conditions could exceed t he li mi ts fo r wh ic h t he r egu la to r w ...
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Emerson Process Management 99 - page 7
T ype 99 7 location. The line or stack opening must be protected against condensation, freezing, and clogging. Clean out all pipelines before installation and check to be sure the regulator has not been damaged or collected foreign material during shipping. Apply pipe compound to the male pipe threads only with a s cre wed bod y , o r u se suit abl ...
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Emerson Process Management 99 - page 8
T ype 99 8 this recommendation due to the pipe arrangement, it may be better to make the control line tap nearer the regulator outlet rather than downstream of a block valve. Do not make the tap near any elbow , swage, or nipple which might cause turbulence. In many instances, it will be necessary to enlarge the downstream piping to keep ow velo ...
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Emerson Process Management 99 - page 9
T ype 99 9 disk or O-ring seat are referenced in Figure 9, part key numbers unique to the 1000 psig (69,0 bar) maximum inlet reg ulator are referenced i n Figure 1 1, and part key numbers for a T ype 61HP (extra high pressure) pilot is referenced in Figure 12. 1. Access to all internal actuator parts can be gained without removing the main valve bo ...
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Emerson Process Management 99 - page 10
T ype 99 10 CAUTION T o a v oi d p ar t da m ag e d ue t o o ve r co m pr es si n g th e m ai n s pr in g s ea t, al wa y s us e m ai n s pr in g s ea t 1 E2 42 7 24 09 2 w it h main spring 0W019127022. 13. Install the main spring and main spring seat, turning the main spring seat until its bottom shoulder is even with the bottom thread of the diap ...
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Emerson Process Management 99 - page 11
T ype 99 11 8. Four machine screws (key 130) hold both yoke caps (keys 37 and 1 16) to the yoke legs (key 31). Separate these parts to expose the pilot valve. 9. Unscrew the inlet orice (key 38) to inspect its seat, the inlet valve plug (key 1 17), and valve spring (key 124). Note Make certain that the yoke assembly is square with respect to the ...
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Emerson Process Management 99 - page 12
T ype 99 12 Parts Ordering A ser ial num ber is ass ign ed t o e ach reg ula tor , a nd it is sta mped on bot h t he a ctu ato r an d p ilot na mep late s. If the pilot is replaced, the new pilot will have its own ser ial num ber dif feren t fr om the mai n v alve se rial num ber . Alwa ys i ndi cate on e or bo th seri al numb ers when communicatin ...
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Emerson Process Management 99 - page 13
T ype 99 13 Key Description Part Number 3 Main Spring, Plated steel 25 psid (1,72 bar d) maximum allowable pressure drop 1C277127022 50 psid (3,45 bar d) maximum allowable pressure drop 1N801927022 250 psid (17,2 bar d) maximum allowable pressure drop 1B883327022 1000 psid (69,0 bar d) maximum allowable pressure drop–requires main spring seat 1E2 ...
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Emerson Process Management 99 - page 14
T ype 99 14 Figure 9. T ype 99 Regulator with T ype 61L (Low) or 61H (High Pressure) Pilot PILOT RELA Y ASSEMBL Y COMPLETE REGULA TOR SHOWING TYPE 61L PILOT AND DISK SEA T 1/4-INCH (6,35 mm) VENT SHOWN 90° COUNTERCLOCKWISE FROM NORMAL PTS PTS LUB AS PTS PTS CONTROL LINE T AP (OTHER T AP 180° OPPOSITE) PTS AS PTS AS AS AS – APPL Y ANTI-SEIZE COM ...
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Emerson Process Management 99 - page 15
T ype 99 15 Figure 9. T ype 99 Regulator with T ype 61L (Low) or 61H (High Pressure) Pilot (continued) PILOT RELA Y AND COVER ASSEMBL Y HIGH PRESSURE PILOT P ARTS C0289-1C 30A6800 ...
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Emerson Process Management 99 - page 16
T ype 99 16 Actuator and Main Body Assembly (Figures 6, 7, 8, 9, 10, and 1 1) (continued) Key Description Part Number 20* Orice (continued) Disk seat for all regulators 7/8-inch x 1/2-inch (22,2 x 12,7 mm) orice Brass 1C942314012 316 Stainless steel 1C942335072 7/8-inch x 5/8-inch (22,2 x 15,9 mm) orice Brass 1C942414012 316 Stainless stee ...
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Emerson Process Management 99 - page 17
T ype 99 17 Standard P590 Series Filter Assembly (Figure 10) Key Description Part Number 1 Filter Body T ype P 594 -1 , Br as s 1E 31 241 40 12 T ype P593-1, Aluminum 1E3124X0022 2* Filter Element, Cellulose 1E312606992 3 Filter Head Typ e P594-1, Bras s 1E312514012 T ype P593-1, Aluminum 1E3125X0022 4 Machine Screw T ype P594-1, Brass 1J500218992 ...
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Emerson Process Management 99 - page 18
T ype 99 18 Pilot and T ubing Parts (3) Low or High Pressure Pilot (Figure 9) (continued) Key Description Part Number 33* O-ring Seal Nitrile (NBR) 1B885506992 Fluorocarbon (FKM) 1B8855X0012 34 Connector Brass 1D692214012 316 Stainless steel 15A6002X602 37 Y oke Zinc 1D662544012 38* Relay Orice, Stainless steel For use with 25 psi (1,72 bar) max ...
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Emerson Process Management 99 - page 19
T ype 99 19 T ype 61HP (Extra High Pressure) Pilot (Figure 12) Key Description Part Number 23 Elbow For use with all standard regulators Brass 15A6002X292 316 Stainless steel 15A6002X202 For use with 1000 psig (69,0 bar) maximum inlet regulator , Steel 1J139628982 24 Pilot Supply T ubing For use with all standard regulators Copper 1D7703000A2 316 S ...
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Emerson Process Management 99 - page 20
T ype 99 ©Fi s h er C on tr o ls I n te r na t i o na l, I nc., 1979, 2008; All R i gh ts Rese r v ed The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls, Inc., a business of Emerson Process Management. The contents of this ...
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